Place the seeds in a small container filled with compost or humus. A good layer of mulch underneath the tree will help it through the winter. M. leucadendron, also called river tea tree, is sometimes confused with the former; its leaves provide cajeput oil, used for medicinal purposes in parts of the Orient. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. Its outer layers need to expand as the core grows more and more. But your best bet is to do a little leg work to keep them healthy and beautiful throughout the year, so you can enjoy their benefits and maintain a high property value. problem was beyond their experience or knowledge. Unfortunately, it isn't planted that often because it is highly susceptible to borers and diseases, making it a short-lived tree. Anthracnose diseases that infect only leaves rarely cause tree death but may cause early defoliation. List of pests, diseases and tolerances: Norway maple is prone to girdling roots and tends to self sow and become weedy. Branch and Trunk Diseases. Paperbark maples are best planted in the fall but can be planted any time the ground is not frozen. Paperbark maple frequently exhibits parthenocarpy, or the production of fruit without the prior process of fertilization, resulting in fruits lacking viable seeds. The trees smooth, green leaves are linear in shape and are up to 1.5 inches (3.8 centimeters) in length. In other trees, the wilt can continue to kill off leaves until there is no way to save the tree. . The Arnold Arboretum is home to the two oldest specimens of paperbark maple in North America, collected in China as seedlings and planted in 1907. Once a central leader has been identified, you can prune the tree to favor a singular trunk. But that shedding bark also means that the galls are often fairly easy to remove on this type of tree. The paperbark maple is now endangered in its native China. Generally myrtle rust starts as small purple spots on leaves. Myrtle rust is a fungal disease which attacks soft, actively growing leaves, shoot tips and young stems. Slow growth won't be remedied with fertilizer. It can be pruned to create a dense shrub. Paper birch prefers the partial shade conditions found along margins where other taller trees are growing, but it can grow acceptably if planted in full sun, especially in cooler climates. The paper birch tree ( Betula papyrifera) is a fast-growing but short-lived tree that often develops multiple trunks as the plant matures. Omissions? My name is Ann. Amend the soil at the bottom of the hole with . Paperbark Maple Acer griseum. 2023 The Importance of Taking Care of Your Trees, 3 Cosmetic Tree Diseases That Strike The Paperbark Maple. As I understand it, a good part of your maple is dead or damaged. When you first start growing paperbark maples be sure to keep the trees roots moist for the first three growing seasons. August 2011. Melaleuca quinquenervia, also called punk tree and tea tree, grows to a height of 8 metres (25 feet); it has spongy white bark that peels off in thin layers. The best soil for paperbark maple trees is moist and well-drained, but the species can also tolerate many different soil types and textures, including clay soils that challenge many other trees. Probably has similar pest and disease problems as other maples. Flowers are held in bottlebrush-like spikes up to five centimetres long, white or . Spring development of hickory shuckworm coincides with that of native hickory trees, which set fruit two to three weeks earlier than pecans. The genus name Melaleuca is derived from the Greek word melas, meaning "black," and leucos, meaning "white." And be prepared to remove older trees, as this species is not long-lived. Still, if you have room in your yard for this showy little beauty, think about giving it a chance. Microscopic examinations, laboratory culturing, virus assays, and nematode assays are some of the techniques used in the clinic. The seeds should sprout within a few weeks. How to Grow and Care for a Paperbark Maple Tree, 19 Flowering, Fruiting Trees and Shrubs From the Prunus Genus, How to Grow and Care for Japanese Maple Trees, How to Grow and Care for 'Early Harvest' Apple Tree, How to Grow and Care for Japanese Flowering Cherry, How to Grow and Care for Corkscrew Willow, How to Grow and Care for Inaba Shidare Japanese Maple, How to Grow and Care for Bloodgood Japanese Maple. Visiting the Arboretums landscape with your family to see this tree for yourself? The foliage turns a vivid red or green with marked red overtones. Cover the planting pot loosely with a clear plastic bag and place it in a bright location but out of direct sunlight. They are tall trees with an upright growth pattern. The White Birch tree is characterized by its beautiful white bark (when mature) and drooping branches, whereas the River Birch tree has a brownish-red exfoliating bark and pyramidal to rounded crown. However, this soil-borne disease infects the tree through its lower areas, including its roots and trunk. It is a tree, sometimes growing to more than 20 m (70 ft) with a trunk covered with thick, white, papery bark and weeping thinner branches. USA. What are some alternatives to paper birch? And no, the fence was nonexistent when my garden was finished. Propagation is through seeds, cuttings, and budding. Avoid plants that are considered invasive or are susceptible to damaging insects or diseases (Table 2). The paperbark tree (Melaleuca quinquenervia) was introduced to the U.S. from Australia in the 1900s. Creamy white flowers clustered in heads or short spikes with bright green leafy shoots at the ends. Despite the rarity of this tree in the wild, it has become a common highlight among public gardens and parks throughout the They have five distinct longitudinal veins, which explains the name 'Quinquinerva' which literally means five nerves. The fruit is a small (.5") inedible red drupe. Intentional cultivation of an endangered species outside of its native habitat is known as I'm still hoping that Papery bark. This can be planted in the ground in the spring after all danger of frost has passed. The mixture should be moist but not wet. Broadleaf paperbark (M. leucadendron), Height 6-9 m, Width 4-5 m. Other . As with all cherries, this species is also prone to several diseases. While the paperbark tree can grow up to 30 feet tall with a crown spreading up to 20 feet wide, most found in backyards and gardens are much smaller trees, or are pruned to shrub or hedge height. It stands about 15 ft. Here's how: Collect paper birch seeds in the fall, when the catkins start to brown. The most distinctive characteristic of this deciduous tree is the peeling bark, which contrasts sharply against the green leaves that turn bright yellow in fall. Indoor Plant. One combination that is especially lovely is a weeping cherry grafted on top of the paperbark cherry. Historically, this was the birch tree used by Native Americans to construct birch-bark canoeshence the alternative common name, "canoe birch.". Paperbark Maple Tree + disease ID - Ask Extension. Paper birch grows best if you can cover the ground beneath its canopy with a thick layer of mulch to keep the soil moist and cool. Unfortunately, it went on to become a weedy invader that has dominated natural landscapes . Sign up to get all the latest gardening tips! Maple Diseases. Common name (s): Paperbark maple Family: Aceraceae USDA hardiness zones: 4A through 7B (Fig. Near the southern end of the hardiness range (zones 6 and 7), this tree sometimes struggles; it prefers a climate with long winters and coolish summers. Once the cold pre-treatment has finished, your seed is ready to be planted. Paperbark maples thrive in both full sun and partial shade, so you can place them in a variety of locations where they can get between two and six hours of light daily. The Tree is a deciduous tree, it will be up to 10 m (33 ft) high. The tree tends to shed smaller branches on its own. Forest & Kim Starr - CC BY 4.0 Habit I worried because many of my plantings there preferred a bright, breezy location and now the wind comes only from the south and his house blocks most of the light to the west. Other than the tree's beauty, a major selling point of the paperbark is its relative resilience against tree diseases. My only garden problem up until now was the loss of my two Camelias last Spring, 2015 which stood a few feet away from my covered patio. Today, May 13, 2016 I see no improvement whatsoever in its leafing out, only one-half to two-thirds of the branches developed leaves. Their attachment to the main trunk is so weak, you often don't have to prune off dead limbsthey just fall off when they are ready. Shiny cinnamon-brown bark that peels extensively. I do enjoy your Master Gardener Speakers and their helpful advice. This post will cover 13 types of Birch trees- the most common kinds you can cultivate. Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. In addition to working with a professional tree trimmer, take a look at the pages here for maintenance tips you can use yourself. A free plant, weed, insect and disease identification service available through your local University of Illinois Extension office. Last winter I noticed that about one third of the branches had no buds on them. Paper-bark Tea TreeMaleleuca quinquinervia. Paperbark Maple photograph by S. Rae; CC. Combine a 50/50 mixture of compost and perlite in a large plastic freezer bag. The owl and paperbark tree might also have signified the presence of her kobongs as she changes from a dolphin to a human. Also, keep an eye on the water the tree is getting. Please refer to the appropriate style manual or other sources if you have any questions. In summer the leaves are a soft shade of blue green on the upper side, and a frosty white on the underside. You can check your tree for signs of pencil sized holes and if you find any, dig around with a pen knife and see if you find an insect in the hole. 4 pictures total. It is especially noted for its exfoliating orange to copper bark and showy orange fall color. This iconic species is native to China and much admired for its clean, fine textured foliage and gorgeous exfoliating bark. For years, paperbark maples cultivated in the United States were all descended from Wilsons early 20th century introductions. The crewman broke off a few, short, leafless branches above it and found a slight greenish fungus(?) An affected tree will show yellowing leaves that begin to shed, and the tips of the branches will turn brown. Native to the UK. Autumn color is variable (russet, often dull), but this tree is outstanding in winter due to its beautiful bark and regular form. The bark on the trunk and limbs peels and curls, but remains on the trunk and is a beautiful contrast to the rose-brown inner bark. ), containing 141 of the approximately 230 botanical taxa from around the world. If you are thinking of planting a paperbark maple, youll need to know some of the trees cultural requirements. It has a long flowering season, can flower at almost any time of the year and is often grown as a tree in parks and on roadsides. One of the collectors, Paul Meyer, would later write of the successful expedition that of the many hundreds of plants I have observed and collected in China, none were more exciting than finding a grove of wild paperbark maple.. Probably best in partial shade if planted in the south. Acer griseum, also known as the Paperbark maple, is a tree species native to China. Paperbark trees are evergreen, so do not drop their leaves. This fungus looks very similar to a maple tree root disease called collar rot, but with collar rot, the bark typically does not fall away from the base of the tree. They are native to Australia and nearby islands. The percentage of samaras with viable averages about five percent. Andrew Hughes is a certified arborist and member of the International Society of Arborists specializing in tree heal care. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. The last detail to mention is the stockade fence's proximaty to my ailing Maple Tree - about two and a half to three feet away from its trunk. You want to catch them before they start forming the buds for the next year so that they are not accidentally removed with your cuts and the floral display for the following year is impacted. Resilience, however, doesn't mean immunity. This made the trees more susceptible to pest or disease outbreaks and less likely to survive in varied climates. The fungus-borne verticillium wilt disease causes the paperbark maple's leaves to prematurely wither, brown, and fall from the tree. Be careful not to break the young roots as you transplant the cutting into the ground. Steganosporium ovatum cankers appear as a secondary infection on the maple tree. The symptoms can cross over the symptoms of gall and wilt but tend to be more varied in nature. The pure species, Betula papyrifera, is most commonly planted, but there are two cultivars that can be considered: Paper birch may form one or several trunks. Its slow-growing habit also means it can be a relatively expensive tree to purchase as mature from garden centers. Email. This tree, accession 12488*B, was collected on a follow-up expedition for the Arnold Arboretum in 1907. Thank you for your thoughtful response. Because of its diverse and numerous holdings of wild-collected maples, the Arnold Arboretum is designated as one of the Plant Collection Networks maple collection sites. They grow best in moist but well-drained soil that is slightly acidic. A paperbark maple's water needs are considered medium or moderate. Bog Birch (Betula Pumila) Identify the Problem After ascertaining that the tree is dying, it is now time to do a pre-autopsy and identify the cause. The growing sapling can now be fed with diluted fertilizer. Paperbark maple is a relatively small deciduous tree that provides unique beauty to the landscape year-round, thanks to its fall color (typical of maples) and its peeling copper-orange to reddish-brown bark (quite unusual for maples). Norway maple: narrrow, purple to brown streaks occur along the leaf veins. The tree flourishes in full sun or partial shade, and it can withstand temperatures as low as 20 degrees Fahrenheit (-7 degrees Celsius). It may take 15 years for your tree to reach full maturity, but in the meantime, you won't have to worry about constant management. The soil should be kept moist. Vanessa Richins Myers has a BS in horticulture and over 10 years of training and experience as a professional horticulturist and gardener. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. Basal canker - This maple fungus attacks the base of the tree and rots away the bark and wood beneath. A northern paperbark which flowers any time of year after rain is the Long-leaved Paperbark Melaleuca leucadendra. tall.) Anthracnose is a common disease among deciduous trees, especially sycamore, ash and oak. Growing from seed is the preferred method of starting a paperback maple tree over propagation through grafting, which is notoriously difficult and unsuccessful. Although growing a paperbark maple has been a difficult and expensive proposition in the past, more trees are becoming available these days at a lower cost. Tree shape: Rounded Foliage type: Evergreen Maximum tree height: 30 feet Canopy width: 20-25 feet Growth rate: ~36 in/year Leaf arrangement and form: Opposite, Simple Leaf/leaflet shape: Linear Leaf color: Bluish Green or Silver or Gray Green Flowers: Showy, Fragrant Flower color: White. Plants grow well in USDA zones 4 to 8. The tree has trifoliate leaves that are dark green and toothed. Both seedlings thrived. The paperbark tree is Melaleuca quinquenervia, a species native to eastern Australia and nearby areas. After that, you can give the roots a deep soak every week, but only during hot, dry weather. While birds love the fruit of mulberry treesa phenomenon that will also cause unwanted messes in your yardwe must admit that we do not. Updates? Sign up for our newsletter. Some samples may require further examination or culture work (nominal fee involved) at the U of IL Plant Clinic. Root Rot causes roots to decay and cut off the tree's nutrient and water supply. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "ICLT"). The seeds are small, with wings that help them fly on the breeze. Melaleuca quinquenervia - Paperbark. In some places it is polished, smooth, and shiny. However it has a more attractive counterpart, Melaleuca leucadendra, Weeping paperbark. Generally, mature trees do fine with only natural precipitation. The tree is hardy, grows very slowly to 25 or 30 feet tall, but, unfortunately, is difficult and expensive to propagate. It can grow to a height of 25 metres and a spread of 5 metres or more, and has characteristic papery bark. I love this beautiful tree and want to know what I can do to bring about its healing! Evergreen shrub or tree 10m. Other than the occasional shaping, paper birch does not need much pruning. The tree tends to exfoliate more frequently as it starts to age. Click here to read a transcript of the audio segment below. The Prickly Paperbark is used as a street tree in some Sydney and Melbourne suburbs. What is a paperbark maple? 27/01/2021. In addition, you'll find detailed information about integrated pest management, pesticide safety, and pesticide application and calibration techniques. Contents [ hide] Birch Trees Care Tips. Thin out the seedlings until you have one strong contender. Range Description Height: 15 to 25 feet Even small branches display exfoliating bark making this a true specimen tree, even at a young age. Full sun or partial shade; best in moist, well drained soils, but will grow well in clay soils; tolerates a wide range of soil pH. Vanessa Richins Myers has a BS in horticulture and over 10 years of training and experience as a professional horticulturist and gardener. These trees have a typical lifespan of 30 years, but some might make it to 50 years in ideal conditions. Learn more about mulberry. Conversely, trees that are watered too much can become prone to fungal problems, including leaf spots and cankers. It may be cinnamon brown or orange but is usually a dark reddish-brown, looking particularly striking in the snow. In 2015, NACPEC partners embarked on a plant collecting trip aimed at sampling many of the known populations of paperbark maple in China. The Little Red Flying Fox is one of them! Paper birch is one of the more resistant of the birch species, but if bronze birch borer does strike your tree, prune off affected limbs as you see them, and use a pesticide designed to control the insects. paperbark tree, any of several small trees belonging to the genus Melaleuca, in the myrtle family (Myrtaceae), characterized by their whitish papery bark. Temperate world: Latitudes of Earth between subtropics and the polar circles, typically with moderate average temperatures. Maple Tree Bark Disease - Diseases On Maple Trunk And Bark, Clumping Maples - Learn About Maples That Grow In Clumps, Fruit And Vegetable Peel Uses - Interesting Uses For Old Peels, Ornamental Grasses Ohio Valley Gardeners Should Grow, DIY Container Irrigation Container Irrigation Systems, What Is A Bottomless Pot For Bottomless Plant Containers, Grumichama Tree Care Learn About Growing Grumichama Cherry, What Is A Murray Cypress How To Grow Murray Cypress Trees, Home & Garden Marketplace: Advertiser Info. Plus, white mulberry trees are known to be messy neighbors, and the species' male trees emit pollen notorious for triggering allergies. The leaves of this tree grow 2 to 4 inches long with double-toothed margins. If your leaves begin to die and you suspect wilt, call in a tree trimming and services company, such as Greatland Tree Service, as soon as possible. In some places it is polished, smooth, and shiny. Tar spot is becoming very common on this species. Small, woody seed pods later appear, closely spaced along the trees branches. Vanessa Richins Myers has a BS in horticulture and over 10 years of training and experience as a professional horticulturist and gardener. You can spot these trees between Rockhampton in the east to Broome in the west. It is included with the other Prunustrees and shrubs in the Rosaceae family. There are two flowering dogwood trees in a neighbor's yard about 40 feet away to the East. Trees from that expedition are currently growing in the Arboretums nursery. Download a printable guide in English or Spanish. It is native to China, Japan, and Korea. The trees are deciduous and those growing paperbark maples say the fall display is lovely. A fridge is a great option for this. For the amount to use, follow the product label instructions. Hardy in zones 4 through 8, paperbark maple trees can tolerate a wide range of temperatures. Garden Disease Control. to see if it was green or dead. It will require less watering if planted alongside a stream, pond, or bog where conditions are naturally moist. Read about the deep history of the Arboretum landscape, Read about the Arboretum and its entanglement with slavery. A medium sized to tall tree, growing from 8 to 25 metres tall and 5 to 10 metres wide, with lovely thick soft papery bark in cream to brown shades. Male (pollen-producing) and hermaphrodite flowers. Instead the Hellebores bring me my first bit of color in winter and are Print. Crown galls are scabby, sore-like markings on the bark that appear due to a bacterial infection. Leaf curl, fire blight, dieback, leaf spot, cankers, powdery mildew, and root rot are all diseases that may show up in the paperbark cherry. T. viscidus - circular spots with red borders appear on the leaf, and black spore masses appear. Surprise, it detached completely at a point about three-quarters of an inch inside of the trunk, leaving a circular hole! T. psuedoeucalypti - brown leaf spots appear with red margins, and black spore masses appear. Keep the seedling at a moderate temperature (no warmer than 80 degrees Fahrenheit) as it germinates. The Broad-leaved paperbark is a hardy native plant. Borer. Betula papyrifera, or Paper Birch, is a loosely pyramidal tree when young changing to irregular oval to rounded with age: It usually retains low branches and can be single or multi-stemmed. Due to their slow growth, paperbarks are popular among bonsai enthusiasts. Check if the leaves are drying up or drooping. The paperbark maple tree is a stunning ornamental tree well suited to even smaller yards. on some exterior areas on them. The trees are happy in full sun or partial shade and prefer moist, well-drained soil with a slightly acidic pH. 13 Types of Birch Trees (The Most Common) #1. This fast-growing tree can reach a maximum height of about 30 feet and can be up to 20 feet wide, however most backyard paperbark trees or shrubs are much smaller. Plant Details Common name: Weeping paperbark, Cajeput Tree Botanic name: Melaleuca leucadendra Flowers appear as short bottlebrush spikes, creamy white in colour and 50 mm long, and provide a . The Paperbark Tree is native to coastal areas of eastern Australia, New Guinea and New Caledonia. Keep the soil moist but not soggy for about eight weeks, until roots develop. Tea tree oil can be made from the leaves of the paperbark tree by steam distillation, although Meleleuca alternifolia is the more common species used for essential oil production. Give today and continue that legacy. However, growing from seed can still take a lot of trial and error (not to mention numerous years), so selecting an already established young tree from a nursery is typically the route to go for most homeowners. Paperbark maple is a relatively small deciduous tree that provides unique beauty to the landscape year-round, thanks to its fall color (typical of maples) and its peeling copper-orange to reddish-brown bark (quite unusual for maples). Galls and Burls Melaleuca quinquernervia, Broad-leaved Paperbark, is a medium to tall tree. The birch tree is popular among homeowners due to its beautiful bark, modest size and graceful branches. 2) Origin: not native to North America Invasive potential: little invasive potential Uses: highway median; container or planter; specimen; deck or patio; Bonsai Availability: not native to North America Figure 2. A common tree disease is root rot (also known as brown rot), a fungal disease found in soil. Other options include silver (weeping) birch, which has great heat resistance; gray birch, which tolerates drier soils; and Himalayan birch, which provides excellent shade. As the season progressed these same branches appeared brittle in a strong wind. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. Plant in a location with fertile soil that is moist, but has good drainage to avoid problems like root rots. The best known Aussie trees are eucalypts. When you plant a Paperbark Maple, you don't have to worry about soil conditions, maintenance, diseases and pests. In March I began feeding it with a Scotts' Miracle Gro product diluted in water and poured directly on the ground out to the extent of its One of the most popular Australian native trees is the Broad-leaved paperbark (Melaleuca quinquenervia). Corrections? The most distinctive characteristic of this deciduous tree is the peeling bark, which contrasts sharply against the green leaves that turn bright yellow in fall. The Illinois Commercial Landscape and Turfgrass Pest Management Handbook (ICLT) is written for professional applicators and provides nonchemical and current chemical recommendations as well as application timing information for all major pests of turf, woody ornamentals and herbaceous ornamentals. Small to medium-sized tree up to 9 m tall. The bark of the paperbark tree is white, but black stains can appear in the bark after fires. Paperbark Maple bark . Aphids, birch skeletonizers, and birch leaf miners can also wreak havoc on trees that have become weakened due to drought. Name status. While the paperbark tree can grow up to 30 feet tall with a crown spreading up to 20 feet wide, most found in backyards and gardens are much smaller trees, or are pruned to shrub or hedge height. Aphids Paperbarks are a fairly hearty tree that isn't vulnerable to many potentially fatal tree diseases or insect infestations. We are committed to the Olmstedian principle that everyone is entitled to open space, so our gates are open to everyone, every day, free of charge. long. This can be used as a rootstock for other cherry trees. Aboriginal people have traditionally had several uses for the paperbarks. The tree likes sun at the location and the soil should be permeable soils. A healthy tree will recover and refoliate with little permanent damage, so management practices are targeted at promoting tree vigor. They are native to Australia and nearby islands. Trees can be effectively treated if diseases are spotted early. They are dark green, turning yellow in the fall before they fall off. Keep the soil moist but not soggy for the next eight weeks. There, it grows primarily in swamps, wetlands, and estuaries, where the soil is often too salty or too acidic for other trees to grow. Paperbark maple trees are among the most stunning trees on the planet. SWAMP TREE? Make sure the roots stay moist during the first two or three growing seasons. Paperbark maple ( Acer griseum) is a smallish, oval-shaped, low-branched deciduous tree growing to 40 feet high with distinctive, cinnamon-colored exfoliating bark. Trees not only lend to the curb appeal of a home, but they can increase property values, which may come in handy if you choose to sell your home in the future. Usually found along waterways and wetlands in its native eastern Australia, the paperbark tree is one of more than 230 species in the Melaleuca genus. The growth is spreading and makes a beautiful feature tree, and flowers with white bottlebrushes in late summer to autumn, attracting nectar eating wildlife. Mature larvae of Hickory shuckworm, Cydia caryana, overwinter in pecan shucks found on the ground or the tree and emerge as moths in mid-May. Borers are insects, which bore holes into native or exotic plants. Another potential drought problem is birch dieback, where the branches of the birch tree die out over time. All birches can fall victim to the bronze birch borer, a devastating insect pest. The broad-leaved paperbark is an Australian native evergreen tree. Although the success rate is usually only about 50 percent, birch trees can sometimes be propagated by rooting branch cuttings. 1. Although I have been watching for any problems beneath their bark as well as on my own specimen maple tree, I found nothing. Verticillium wilt is a potential serious problem. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. 7. To train it as a single-trunk specimen, choose a central leader and prune away all others. This tree is grown for its bark but also displays pretty, fluffy, white flowers in autumn that are typical of plants in the Myrtaceae family - the same family as the eucalypts. The adult nut curculio attacks immature pecans from mid-July to . Water Birch (Betula Fontinalis) #2. Since they bloom in the spring, it is best to wait until just after blooming has finished. But its important to take good care of your trees, for if they are limp or un-trimmed they can have a negative impact on your homes overall look, feel, and even value.