Another reason possible issue is poor drainage. How to Plant Wisteria. The most common reason for leaf loss is water stress - either too much or too little. Q. If you've ever seen a wisteria vine (Wisteria spp.) Name – Wisteria : You do not need to remove the old roots, although arborvitae stumps are not difficult to dig up compared to spruce or hemlock. Wisterias are notoriously tenacious. Wisteria is in its fullest bloom during the spring and it can be a spectacular sight to see. Short, 6 in. Does Spirea Lose Its Leaves In Winter - Want to find a flowering bush to plant that will not lose its foliage. American wisteria (Wisteria frutescens), which grows in Zones 5 to 9. Leaves will yellow and often take on a pale or peaked appearance. Investigate why do wisteria leaves turn yellow and find out what, if anything, to do about the issue in this article. Its leaves are a leathery dark green. The most common reason for your wisteria’s leaves turning yellow is an iron deficiency in the soil. Soil – ordinary. my wisteria suddenly looks as though it is dying. You have thus prepared the structure of your. This deciduous vine will lose its leaves in the winter, so is not a choice for gardeners who need screening year-round. For 4-5 weeks now its leaves have been turning and it appears to be dying. A mystery, and heartbreaking. I see you're from the north, did you get a very cold winter? Plants in containers can require more frequent watering than the same plants in the ground so watering can become a real issue. It's leaves are turning brown on the edges. Here is our video guidance to correctly prune Wisteria. Despite the fact that they lose their leaves in the fall, some varieties and cultivars reward us first with brilliant golden-yellow foliage before falling, extending their season of interest. If you are located in North America, consider planting a species of wisteria native to the continent, such as: American wisteria (Wisteria frutescens), which grows in Zones 5 to 9.It’s native to a range of states covering Virginia to Texas, southeast to … Wait and see what happens. Cooler temperatures and regular watering usually fix this. Provide a sturdy trellis where the wisteria … Sections of this page The top branches risk breaking under their own weight. Its leaves are a leathery dark green. Try to remove one and see. But if you're growing a wisteria and see yellow leaves instead of green ones, this could signal a problem that needs attention, although it might also be a natural occurrence. The leaves are limp and getting crispy. Windsor, So. Pruning Wisteria is very easy, and must be done every year if you don’t want your Wisteria to invade more than its allotted territory. Depending on the conditions this summer at your location a severe drought could be responsible … This can take place anytime during the plant’s dormant state, when leaves have fallen off until the end of winter. We want to plant another row of evergreens and were wondering: Should we remove the roots before planting new trees or could we plant them between the old trees? If this happens in fall, don’t worry, it is normal because Wisteria lose their leaves in winter. Japanese maples are deciduous broadleaf trees, which means that they do lose their leaves in the fall. Leaves with 9-11 leaflets have silky hair and turn golden-yellow in fall. Avoid strings and wires that would dig into the trunk. A Wisterias do have an unfortunate habit of suddenly dying off – either a substantial branch or even the whole plant. wisteria losing leaves - Knowledgebase Question. The vine will bloom throughout the spring, summer and early mid-fall before dropping its leaves and dying back to what looks like a bunch of sticks. It’s native to a range of states covering Virginia to Texas, southeast to Florida and north up through New York, Iowa, and Michigan. © 2020 Advance Local Media LLC. Hmmmm, dosen't sound too good, does it? This can result from unusually high temperatures and/or insufficient watering during that time. Q Why did my wisteria die?. The frost can cause buds to drop off. Chinese Wisteria grows in North Carolina with the same rambunctiousness and voracity that kudzu does, but at least Wisteria is pretty and smells good. Answer from NGA July 25, 2009. Some gardeners don’t like the fact that they lose their leaves in winter, and they don’t really suit planting schemes featuring Australian natives. Wisteria is a beautiful, deciduous climber with a wonderful perfume that makes a stunning display in spring. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. Usually wisteria is a pretty drought hardy plant once it is established. Established wisteria suddenly losing leaves. This winter was supposedly the coldest for 18 years. Wisteria is a beautiful, deciduous climber with a wonderful perfume that makes a stunning display in spring. Sounds like it is just going through its natural cycle. The blooms are highly fragrant. If you wish your Wisteria to be 5 feet (1.5 meters) tall, choose a 5 feet (1.5 meters) tall stake, but don’t make it any taller than 6 to 8 feet (2 to 2.5 m). Why is my wisteria is not blooming? Each one is a wrapper leaf on the head. Its watering and fertilizing needs are average. Wilting leaves will be dry to the touch and even a bit crumbly. Vines are wonderful plants. It has only been in the ground about a month, but I have my first leaves budding out. Follow us there, comment, and share! Compact branches and foliage. Not as invasive as the more common Wisteria. In spite of the fact that we have had a lot of rain recently, the leaves are drying and falling off. Wisteria needs regular pruning to keep the growth and size under control, but it will also improve the flowering display. Why is my potted Wisteria losing leaves? I'm concerned there have been no leaves. -- B.E., via email. Observant gardeners also share that you should not go against the direction of growth that your Wisteria have chosen, unless you train them with wires for instance. Wisteria floribunda nana- Dwarf Japanese Wisteria- Slow growing, shrub like habit. Question by mdjohanns2 July 25, 2009. Fabulous hanging wisteria by Christian Bossu, Nature & Garden contributor. Wisteria (Wisteria spp.) Wisteria should be planted in nutrient-rich, well-drained soil with a lot of room to grow, as these vines are really invasive in warmer climates and may strangle small trees. WHY WE’RE WILD ABOUT WISTERIA. How far back can I cut them? The evergreens that are considered less palatable include Noble fir, common boxwood, Oregon grapeholly, various spruces and pines. Wisteria-covered pergola (also on social media), Flowers grow on the previous year’s growth, so it is important to. Second, we have a smoke tree and it had the 'smoke plumes' for several years and now has not had any 'smoke plumes' for about 4 or 5 years. Wisterias are a deciduous climber and will lose its leaves in the autumn. The white variety, 'Shiro Kapitan', has large, heavy-textured flowers that have a much sweeter scent than those of the Japanese and Chinese wisterias. Wisteria loves to grow in loose, loamy soil that has plenty of nutrients and proper aeration. Basic Bougainvillea facts Name – Bougainvillea Family – Nyctaginaceae Type – climbing shrub…, Summer sends its scorching heat out but one spot in the garden offers a cool atmosphere which is perfect for…. They're smaller than the blooms of Japanese wisteria (W. floribunda), which open gradually from the top down and after leaves come out. Wisteria floribunda 'Alba' is a less-common, though highly sought after variety among dedicated gardeners, and has white, elongated flowers. Despite the fact that they lose their leaves in the fall, some varieties and cultivars reward us first with brilliant golden-yellow foliage before falling. They are edible; one is about equal to a large clove of garlic in a recipe. Compact racemes. Evergreen, woody twining vine that works great as a covering for a fence, trellis or arbor. Dear Carol: We have cut down a hedge row of 30-year-old arborvitae which were planted approximately 30 inches apart but we did not have the roots removed. If this happens in fall, don’t worry, it is normal because Wisteria lose their leaves in winter. Another reason possible issue is poor drainage. When springs returns, however, so do the magnificent blossoms, tending to arrive even before the leaves so the flowery display is even more visible and startling. This year it sprang to life - amazing clusters of luck green baby leaves and some buds. Renew this step as often as needed, every time a new shoot appears. The plant is a climber, so it is often trained to climb into unique trellises and arches all throughout Japan. Everything else around it is doing well: flowers, bulbs, roses, other vines, grass. Although it is hard to be certain, one of two things may be affecting your wisteria. Save my name, email, and website in this browser for the next time I comment. But if leaves turn yellow or lose their color in summer, the soil is probably responsible and leads to chlorosis. It flowered beautifully this spring and was a successful cutting from my mother's 100 year old wisteria from her garden before she died. Get involved. Credits for images shared to Nature & Garden (all edits by Gaspard Lorthiois): The first is sun scald, or just minor sun damage. Blooming from the base of each cluster to the tip, they appear in late spring or early summer along with the leaves. Established wisteria suddenly losing leaves. "Basically, it found that if the mother was dead or missing, the buck was far less likely to leave its birth home range. Question by mdjohanns2 July 25, 2009. Need advice? Although Wisteria are rarely subject to diseases, leaves frequently turn yellow. Broad racemes of strongly scented, heavy-textured flowers blooming early in the season and appearing with the leaves. Your email address will not be published. A 4-foot long pry bar may be enough. -- B.V., Solvay. A wisteria with yellow leaves may be due to this natural occurrence or there might be a pest, disease or cultural problem. TYPES TO TRY. Japanese maples commonly experience leaf scorch (browning of leaf margin) when they do not receive enough water or are in windy areas. To avoid this, cut them after 2 or 3 buds (just above a bud facing out and up). Budding wisteria by T.Kiya under © CC BY-SA 2.0 They feel very dry and papery and some have gone yellowish. - I recently purchased 3 starter Golden Flame Spireas. 2:39. Wisterias are a deciduous climber and will lose its leaves in the autumn. Answer from NGA July 25, 2009. Blossom have yellow blotch, AKA Wisteria brachybotrys. The seeds and leaves of the Wisteria japonica were used as a famine food — not recommended — and the flowers of the Wisteria villosa have been eaten. my wisteria suddenly looks as though it is dying. We've had absolutely no trouble with it for six years. We aim to enrich everyone’s life through … But this year it bloomed late- no surprise as we had such a cool spring. Hungry deer will eat almost anything. Get breaking news coverage as events unfold. It can be relied on most years to brighten up the month of May with its long, scented trails of lilac-purple flowers, yet many folk are frightened of wisteria. Not as invasive as the more common Wisteria. Harvesting garlic: Garlic that was planted last fall is almost ready to harvest. Their lush growth and cascading flowers are easy for homeowners to fall in love with. Another plus to the wisteria vine is the minimal care needed to maintain a beautiful plant, but many homeowners do wonder if there is anything they need to do when considering how to prepare wisteria for winter. We have had a wisteria vine for four years and have not had any blooms. Q. When half of the leaves on a plant have turned yellow and started to wither, it is time to dig hardneck garlic. Deciduous plants will lose their leaves, evergreens will curtail all new growth. The most common reason for your wisteria’s leaves turning yellow is an iron deficiency in the soil. This species of Hygro does well in medium to high light, likes a good diet of iron and CO2 and grows well in a fine grade gravel. The bigger leaves are withering, going dry and then falling off I've lots loads. Wisteria are vines, not trees, though you can train them to grow in a somewhat tree-like fashion. It flowered beautifully this spring and was a successful cutting from my mother's 100 year old wisteria from her garden before she died. Advertisement. Wisteria brachybotrys Shiro Kapitan- (also known as Wisteria venusta alba)- White flowering, sweetly scented. Boggy and soggy soil is not a condition that a wisteria like to live in. It’s not just weather, though. Losing all if its leaves seems to point to an abiotic condition whether due to nature or cultural practices. There are different varieties of wisteria, such as the American wisteria, which is common in the United States, and the Japanese or Chinese wisteria, common in Asia. Most frequently grown are the Chinese species (Wisteria sinensis), which blooms on bare branches before foliage emerges with flowers that open all at once. Windsor, So. Read also on the topic of climbing plants: Click to open the post in a new tab on the relevant social media site. Its young leaves and young seeds reportedly cooked. Do we need to do something different? The plant has a short bloom period, but its corky bark, velvet seed pods and yellow fall foliage make up for flowers the rest of the year. This week, Central New York gardening columnist Carol T. Bradford responds to two reader questions. In summer, reddish-purple, pea-like flowers bloom in large clusters. If the garlic produced aerial bulbs, called scapes (shown), clip them off. Wisteria are climbers for all seasons. Wisteria is a vigorous, extravagant vine, producing clusters of blue, purple, pink or white flowers 12 inches or more in length. Wisteria … If it is, the tree is alive and will probably leaf out again. In spring or early summer, their bare stems are festooned with masses of pendant-like flower spikes, called racemes, in shades of lavender, bluish-purple, mauve and white. The Wisteria originated in countries such as China, Japan, Korea, and America. Vigorous climber from Japan, twining anticlockwise. Why Is My Wisteria Going Yellow? In summer, reddish-purple, pea-like flowers bloom in large clusters. They lose their leaves in autumn and go dormant, looking gnarled and lifeless. Presumable this is an old wisteria, with its roots in the ground? Although Wisteria are rarely subject to diseases, leaves frequently turn yellow. But in my experience, as soon as I recommend a "deer resistant" plant, somebody will write to say that their deer LOVE whatever it was I thought might work out. Dear Carol: We've had a wisteria tree in the front of the house for a few years now. Many plants respond poorly to saturated soil, even for very brief periods. Native Wisteria. Wisteria Summerwine. The silky wisteria, Wisteria venusta, is less familiar but just as stunning. No comments yet – be the first to share your thoughts! We did have a company spray around the house for carpenter ants that were under the deck. Water wisteria does well under all light conditions but it’s advised that you maintain moderate light for optimum growth or the plant. Flowering – depending on exposure, they bloom from April to June. Is the tree in an area that was flooded recently? Count the leaves on hardneck type plants. If the cambium under the bark is dry and dead, it is still possible that the tree will grow again from the roots. Consider a mixed planting instead of a straight row. It is actually a very versatile plant and lends itself to a variety of situations, including growth in containers. Wisteria is a fabulous climbing vine with abundant and deliciously fragrant blooms. The tree was balled and burlapped when it arrived. The Royal Horticultural Society is the UK’s leading gardening charity. Weeks later it died. The Leaves Died After I Transplanted a Bush. Family – Fabaceae This vigorous, growing, climbing shrub is graced with a spectacular blossoming of flowers in spring whilst in summer an abundance of fresh, green leaves enriches it completely. Garlic that was planted last fall is almost ready to harvest. It grows really well in my 55 L tank with a sand bottom. I have just lost mine in the last couple of weeks, as well! They usually bloom within three to five years of planting. Cascading clusters of fragrant lavender blooms are short-lived but long-remembered. In early spring, the vine will begin to come back. All of a sudden the leaves fell off and now the tree looks to be dead. Wisteria produce very beautiful flowers in violet blue bunches 12 to 16 inches (30 to 40 cm) long. The plant is about 15 years old and has never been any trouble before. Wisteria floribunda nana- Dwarf Japanese Wisteria- Slow growing, shrub like habit. Jan Morgan Posts: 1. Compact racemes. I am so upset. Question: I had a tree transplanted into my landscape about a month ago. It's more interesting from a design point of view and is also much more tolerant of ordinary garden problems such as deer, snowplows, bugs and diseases. My husband trims regularly. Wisteria lost its leaves; is it a lost cause? Chalice vine, Solandra facts Name – Solandra maxima…, Bougainvillea are very beautiful Mediterranean climbing shrubs. Does Wisteria Lose Its Leaves. What are we doing wrong? When purchased, Wisteria usually has a single long stem, that branches out several times. After a bush is moved, it may show signs of transplant shock, such as dead leaves. There is no rush to remove the tree. It might have caused the wisteria to die. But if leaves turn yellow or lose their color in summer, the soil is … I am so upset. Count the leaves on hardneck type plants. 0. The loss of the leaves is a symptom. Does Wisteria Lose Its Leaves. For the Summer prune follow the same method as above, but cut the side shoots back closer to the main lateral - leaving them only 6-10 centimetres or 2-3 leaves long. July 2017 in Problem solving. You could also berm up the area and plant in the fresh soil over the old roots. Not only will this rustic shrub withstand the toughest of winters but it is also gifted with a resistance to most pests and diseases. Cherry blossoms aren’t the only spectacular flowers that bloom in Japan.Wisteria (fuji in Japanese) is a stunning flowering plot that can bloom in purple, white, pink, or blue. They’re long lived and many reach a great age. The flowers in Asian varieties appear before the leaves. Sowing Wisteria seeds collected from pods may produce seedlings, but you must know that this technique results in a long waiting period before the first flowers appear: it can take 10 to 15 years…. Avoid adding fertilizer if you want to have flowers. However, some can take up to 15 years—this is especially true if you plant one from a seed (I discuss this more in-depth further down in the article). If your wisteria has been pruned and fed and grown on a sunny wall and still refuses to flower after three or four years, give it up as a bad job, haul it out and plant a grafted variety that will make up for lost time. Pruning wisteria. Registration on or use of this site constitutes acceptance of our User Agreement, Privacy Policy and Cookie Statement, and Your California Privacy Rights (each updated 1/1/20). All rights reserved (About Us). Scrape a bit of the bark off and see if it is moist and green underneath. Botanical Name Millettia reticulata Description Evergreen, woody twining vine that works great as a covering for a fence, trellis or arbor. It produces clusters of yellow to orange small fruits that are used in flower arrangements. The leaves are limp and getting crispy. It can be caused by insects, by heat or drought stress, by disease or by damage to the root system. Bittersweet is grown everywhere, but does best in areas with cold winters. Subscribe to syracuse.com. Carol Bradford gardens in Syracuse. What would you suggest as an evergreen replacement for the area which is mostly sunny in the summer months, a dampish area facing northwest and deer are prolific? Softneck garlic plants fall over; dig them then. Wisteria's fragrant flowers are also available in pink, double mauve, and white. Wisteria is one of the quintessential cottage garden plants, with a chocolate-box image of spectacular blooms adorning the front of a country cottage. Reasons newly planted tree may drop its leaves. American types also only start to flower in the late spring after the vines finish producing leaves. Gateway to paradise: the wisteria-clad entrance to Dunsborough Park at Ripley, Surrey. It is said Wiss-STEER-ree-ah. With pointed, exotic-looking leaves, wisteria vines are attractive throughout their growing season. There are various reasons why a wisteria isn’t blooming, but the … Blue/violet flowers, although it is a very infrequent flowerer, it does make a perfect bonsai specimen. Chalice vine, also called Solandra, is marvelous thanks to its magnificent blooming. Create or join a topic on our gardening forum, too. However, I learned that it came from another town over 100 miles away. Yesterday I left the hose pipe on it for three hours, but today there has been no change and it looks worse again. Q. Wisteria and Smoke Tree Care. Wisteria-covered pergola (also on social media) by Vũ Đỗ under Pixabay license The loss of more land could have a frightening effect in other ways, ecologists say. Wisteria is notably susceptible to this … Will check around neighborhood to see if there's some kind of wisteria plague spreading. Dear B.E. Evergreen Wisteria (does NOT lose its leaves) Jump to. Softneck garlic plants fall over; dig them then. Japanese or Chinese wisterias are stunningly beautiful plants, but they do have limitations. in bloom, you'll likely remember its lavender-to-violet, 1-foot-long flower clusters that hang down like bunches of grapes from the vines. Try this plant and you will never regret it…. As the flowers fade, new greeny-bronze leaves emerge, which turn a soft fresh green colour as they mature. Foliage – deciduous Do You Cut Back Wisteria After a Freeze?. Unlike the more common Asian wisteria, you will be pleasantly surprised by the less aggressive nature of this American vine. The vine grows 25 to 30-feet long with shiny, dark-green leaves and large, drooping lilac or purple-blue flower clusters which appear after the plant has leafed out. The most common reason for leaf loss is water stress - either too much or too little. Yellowing Wisteria leaves. It is recommended to plant them in spring or in fall in a mix of garden soil and soil mix together with soil conditioner such as manure and seaweed. Care, pruning and watering help enhance blooming. Dear B.V.: It would be unusual for a licensed pesticide applicator to use an insecticide in a manner that would hurt a tree. The flowers range in size from one centimeter to several inches across with either oblong or oval pods. Although it seems complicated, wisteria pruning is quite simple if … Watch RHS expert advice on pruning wisterias in summer to keep a healthy plant and ensure good flowering next year. Native Wisteria. Wisteria vines are among the most popular flowering vines grown in the home landscape today. Jan Morgan Posts: 1. 0. They are edible; one is about equal to a large clove of garlic in a recipe. Contrary to its name, evergreen wisteria (Millettia reticulata) is not truly a wisteria (Wisteria sinensis). > My wisteria tree is dying. Most Wisteria floribunda (Japanese Wisteria) display attractive fall colors, but some are more remarkable than others. Your email address will not be published. Noted for its excellent fragrance, award-winning Wisteria floribunda 'Rosea' (Pink Japanese Wisteria) produces masses of very long drooping clusters, up to 24 in. If the garlic produced aerial bulbs, called scapes (shown), clip them off. Wisterias are deciduous climbers. Don’t amend and fertilize the soil too much, since this could stimulate leaf growth instead of flowers on Wisteria. I have recently purchased a tree wisteria. Blue/violet flowers, although it is a very infrequent flowerer, it does make a perfect bonsai specimen. Exposure – Full sun Landscape Ideas Using Japanese Maples. How Long Does It Take for Wisteria to Bloom for the First Time? Required fields are marked *. Why is my potted Wisteria losing leaves? Remove all side shoots up to the very tip of the trunk. Wisteria love Zone 9 and should flourish in this area with little care. Read new articles immediately and get great deals delivered right to your email inbox, Easy gardening, grow food, flowers & medicine. Wisterias are deciduous climbers. Is the tree really dead? Leaves range in size and amount, but are always a deep green color. Considered by some to be a dwarf wisteria, ‘Amethyst Falls’ has smaller leaves and smaller flowers than its exotic Asian relatives. The blooms are highly fragrant. Perfect climbing vine for pergolas and gazebos, you’ll be amazed at their abundant bloom and the cool air under their shade during the hot summer heat…. long (60 cm), packed with pea-like, pale rose flowers tipped with purple. New wisteria plants, however, might be too tender to survive its first winter after planting without some protection against frost and cold winds. Why Is My Wisteria Going Yellow? This will lead to new branches appearing, and you can prune these back to 2 or 3 buds whenever needed. When half of the leaves on a plant have turned yellow and started to wither, it is time to dig hardneck garlic. Less common causes include herbicide injury, lightning strikes and underground gas leaks. As mentioned we almost know who Wisteria was named after. Attach the main stem to this stake, as close as possible with “figure eight” ties sold in horticulture stores. It's not just the leaves either its each mini branch back to … Wilting leaves, which is actually defined as having water loss or being dehydrated, is obviously associated with a lack of water. This is a mature wisteria sinensis ("chinese wisteria") that we inherited with our house. You may also plant in summer if you’re able to water regularly and avoid heat waves. Could that have hurt the tree or is there something else wrong? I Have Sprirea That Is Way Out Of Control - I cut them so that I can trim them to control their growth. As other peaple have mentioned it does lose its leaves easily and makes a bit of a mess, but the leaves float and are easily removed. July 2017 in Problem solving. Compact branches and foliage. The hardy vine should be trimmed heavily after it blooms to keep it … Although both plants belong to the legume family, they do not share a genus. Wisteria brachybotrys - Silky Wisteria (Wisteria venusta). Each one is a wrapper leaf on the head. But just as you say, a few weeks back the leaves began to curl, then dry. It has been healthy and in very good shape until about ten days ago. Wisteria brachybotrys Shiro Kapitan- (also known as Wisteria venusta alba)- White flowering, sweetly scented. Note to readers: if you purchase something through one of our affiliate links we may earn a commission. Community Rules apply to all content you upload or otherwise submit to this site. Noel Cleave, 78, and wife Rosemary, 76, planted wisteria around their 19th century cottage almost 50 years ago and made headlines in 2013 after it had grown to 250 feet. The loss of the leaves is a symptom. Does Wisteria Sinensis Plant Loose Its Leaves In Winter Monday, December 3, 2018 5:32:46 PM Asia/Calcutta Wisteria being a deciduous vine does loose its leaves in winters , so if your wisteria is all leafless and seems dead do not worry it is just in dormancy and … This variety will bloom in its third or fifth year. Herbicides sometimes drift and harm non-target plants. My wisteria flowered well in the spring and now suddenly it is shedding all its leaves. To train Wisteria into a tree-shape, you must stake this long stem with a sturdy stake. Type – climbing vine, Height – 16 to 50 feet (5 to 15 meters) As they’re deciduous and lose their leaves, they let the winter sun shine onto patios, terraces and into the house. Most Wisteria floribunda display attractive fall colors, but 'Violacea Plena' is by far the best with its foliage turning butter-yellow. Then at some point about 10 days ago it just started looking awful. Send your questions and location to her at bradfordgarden@gmail.com. Let the remaining top branches grow and develop. It is not always possible to detect the cause, but likely culprits are: Honey fungus. Share your garden joys & woes! Loss of leaves: One of the issues which affect this plant species is the loss of leaves or its bushy shape, the reason might be that is lacking light. Are Gold Flame Spirea Plants Invasive? I have two growing up over my patio area , they are in the ground, get plenty of full sun, Have been doing well but all the inside leaves are turning brown and falling off of both, I live in the central valley CA Sacramento area, I deep water about every week and half, I also have a Magnolia small tree thats doing the same thing, All three were planted this spring. wisteria losing leaves - Knowledgebase Question.