Wisteria Plant

Chinese wisteria (Wisteria sinensis) may be a deciduous perennial vine with a twining growth habit. Like all members of the wisteria group, Chinese wisteria may be a stunning bloomer. From May to June, it bears large, drooping clusters of fragrant flowers that are typically a bluish-purple. The vine may be a vigorous climber which will grow to 25 feet. Trellises and other supports must be sturdy to carry the plant’s weight.

In many U.S. states, especially within the Southeast, this vine is taken into account invasive, and experts warn against using it within the landscape. Consult an area authority if you’re considering planting a Chinese wisteria.

Chinese wisteria can take up to twenty years to mature enough to supply flowers. But it also tends to be very long-lasting, living up to 100 years.

Chinese wisteria growing over a wall
Botanical NameWisteria  sinensis
Common NameChinese wisteria
Plant TypeDeciduous perennial vine
Mature Size10–25 feet long, 4–8 feet in spread
Sun ExposureFull sun to part shade
Soil TypeHumusy, medium moisture, well-draining
Soil pH6.0–7.0 (slightly acidic to neutral)
Bloom TimeMay to June
Flower ColorBluish-purple, mauve, white
Hardiness Zones5–8 (USDA)
Native AreaChina

Chinese wisteria tree

Chinese Wisteria Care

When planting this vine, pick a spot where you’ll fit a solid support structure, like an arbor or a pergola, which will be ready to carry the load of the plant once it’s mature. to coach wisteria vines, choose one upright stem to connect to your support. Then, religiously remove any side shoots as they seem , forcing the plant into upward growth. Pruned correctly, the wisteria will form a gorgeous overhead shade canopy. Once the plant reaches the peak you would like , continuously prune the ideas of the plant to stunt further growth.

If you’ve got trouble getting the vines to flower, there are several methods you’ll use. as an example you’ll apply a high-phosphorus fertilizer, which may promote blooming. you furthermore may can try heavily pruning the plant right after it blooms and again within the winter to encourage more buds.

Wisteria are often subject to leaf-chewing insects, but the damage is never serious. There are not any notable disease issues. But these are high-maintenance plants thanks to the necessity for diligent pruning. Be prepared to stay it tamed if you plant this species in your garden.


Many wisteria species prefer many suns, but Chinese wisteria can tolerate some shade. However, the simplest flowering occurs when the plant gets a fan of full sun.


Chinese wisteria likes humusy, moderately fertile, and slightly acidic soil. Good drainage is vital for the plant. confirm the soil in your growing site fits the bill for this plant because it dislikes being transplanted.


Water a young plant deeply and regularly to assist develop its rootage, though you ought to never allow it to take a seat in soggy soil. Once established, the vine prefers even moisture via rainfall and regular watering, but it can tolerate a touch of drought.

Temperature and Humidity

Chinese wisteria can withstand temperatures right down to around minus 20 degrees Fahrenheit. But its buds might die in prolonged cold, causing the plant to flowerless. This plant likes high humidity but can grow in drier climates as long as its soil remains moist.


Fertilizer usually makes no sense for Chinese wisteria unless your soil is deficient in nutrients. A layer of compost is often efficient thanks to promoting growth and blooming.

Is Chinese Wisteria Toxic?

All parts of this plant contain toxins referred to as lectin and wisteria glycoside. The seeds are especially dangerous because they need a high concentration of toxins. So it’s best to stay pets and youngsters far away from this plant. Call poison control if you expect a toddler has eaten the beans or any plant structure, or a veterinarian if your pet has eaten the plant.

Symptoms of Poisoning

Ingesting any part of this plant can cause nausea, vomiting, diarrhea, dizziness, and confusion in humans and animals. Symptoms range from mild to severe counting on what proportion is eaten. Fatalities are rare, but they are doing happen if a substantial number of the seed beans are eaten.

Wisteria Varieties

Two closely related species are Japanese wisteria (Wisteria floribunda) and American wistaria (Wisteria frutescens). Like Chinese wisteria, the Japanese species is understood to be invasive in North America. Its flowers are considerably more spectacular and it requires more sun than Chinese wisteria.

American wisteria may be a smaller species, growing only two-thirds as long because the Chinese and Japanese species. Although its flowers are less showy, American wistaria blooms at a younger age than Chinese or Japanese wisteria. The American variety is suggested for landscape use because it’s much less invasive. It’s found naturally within the southeastern U.S. and a couple of other states.


Arguably the foremost high-maintenance part of caring for Chinese wisteria is its pruning needs. It requires regular pruning to take care of its shape and keep its growth in restraint. In fact, in many parts of North America, the plant is considered an invasive species thanks to its ability to spread with vigor. Chinese wisteria sends out runners which will quickly overwhelm nearby plants and structures.

Prune your wisteria plant within the late winter, removing a minimum of half the previous year’s growth. Leave a couple of buds on each stem. you’ll prune it again just after it flowers within the late spring or early summer to wash up the plant’s shape. Trim off any dead or diseased growth as you notice it. If you narrow back a mature plant too far, it should sprout again without issue. But those new sprouts might take several years to flower.

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