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GardenOrnamental Plants

Adorn Your Yard With Wisteria

By Alicia Smith
Share to PinterestAdorn Your Yard With Wisteria

Wisteria is a long-living, climbing vine prized for its hanging purple blooms and heady fragrance. It thrives in humid areas of North America, South American, Asia and Europe and is eager to clamber over any structure that can support its weight. Its flowers will add a show-stopping accent to your fence, trellis, or pergola when they bloom in the spring and summer. If you follow a few simple tips, you’ll find your wisteria can grow 10 feet or more in just one year.


Your wisteria’s new home

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Wisteria is dormant in the early spring and the late fall, making these seasons the best for planting. Unless you’re prepared to wait years for your wisteria to bloom, you should avoid trying to grow it from seeds. The fastest and easiest path to enjoying your wisteria is to start it from a cutting or simply purchase a plant from a gardening center.


Planting your wisteria

Share to PinterestGardener woman working with a bush of wisteria in the garden
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The first — and possibly most important decision — is where to plant your wisteria. Take into consideration the plant’s weight and aggressive growth. If planted too close to stone or brick walls, other plants, or even your house or garage, this climbing vine can overtake these surroundings and cause damage. Since it grows so quickly, make sure that you choose a sturdy structure that is sure to support your wisteria as it becomes heavier. Your second consideration is soil. Wisteria can adapt to almost any soil, but ideally plant it in moist, fertile soil that drains well and is neutral or slightly acidic. If you have low-quality soil, add compost or peat moss to enrich it.


A healthy start (1 of 3): sunlight requirements for wisteria

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Once you’ve found a spot with a sturdy structure, the right soil, and enough distance from other plants and your home, be sure the location meets one more requirement for your wisteria: sunlight. Wisteria thrives in full sun and should get at least six hours of sunlight daily. It will tolerate some afternoon shade but be aware that without enough sunlight, your wisteria won’t produce large flowers and may not bloom at all. If you plan to grow wisteria indoors, make sure to place it in a spot with plenty of sunlight and space to climb. As far as temperature goes, wisteria prefers to be warm (it won’t tolerate temperatures below 40 degrees F), so if you’re growing your wisteria indoors, keep your thermostat set between 65 and 75 degrees.


A healthy start (2 of 3): watering

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When it comes to watering your wisteria, less is more. You only need to water it regularly until it is well-established. From then on, your wisteria only needs to be watered during periods of drought or if your area receives less than one inch of rain a week. The key is to avoid allowing the soil to become soggy, which can cause root rot and fungal infections, or exposing the leaves to standing water for too long, which can cause them to develop fungal diseases.


A healthy start (3 of 3): special nutrients

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Fertilize your wisteria once a year in the spring, once the danger of frost has passed. This will help encourage and establish new growth well before the late fall or winter months arrive to endanger it. When purchasing fertilizer for your wisteria, choose a low-nitrogen option; too much nitrogen can prohibit your wisteria from blooming.


USDA zone information

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Different varieties of wisteria thrive in different USDA zones. For the most part, wisteria does best in USDA zones five through nine, which includes states along the west coast and in the south. However, they can tolerate winter temperatures in the northernmost states that make up zones three and four.


Healthy growth: pruning your wisteria

Share to PinterestCutting wisteria with scissors in a garden under the sunlight
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Once your wisteria is established and thriving, keep it that way by pruning it twice a year. This helps to prevent future pest issues and encourage new growth while simultaneously taming the vines. If you don’t prune your wisteria, you may see its vines spreading out of control and causing damage to plants and structures in its path. Pruning is also the key to maximizing flowers, as wisteria only blooms on new wood. The best time to prune is in late winter, removing at least half of the prior year’s growth. You can also do a second, smaller pruning in the summer if you prefer a tidier appearance for your wisteria.


Preparing for winter

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If your wisteria is immature, you can prepare it for winter by adding a 4-inch layer of mulch around the base. Typically, however, wisteria is quite hardy, and mature wisteria, in particular, won’t require any preparation to survive until spring.


Can I propagate my wisteria?

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Propagating wisteria is fairly straightforward. First, take softwood cuttings of 3 to 6 inches and insert the root end of the cutting into rooting hormone, and then into a pot prepared with soil. Cover the pot with a plastic bag to trap humidity, and be careful to keep the plastic bag from touching the plant. After four to six weeks in indirect bright light, roots should form.


Common diseases

Share to PinterestSpots on the green leaf of a houseplant wisteria
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Wisteria can fall prey to several common diseases. One is fungal leaf spot, identified by dark blemishes on the leaves; simply dispose of any infected or dead leaves to eradicate this. Other diseases to watch out for are verticillium wilt, which is also fungal, and root rot, which is caused by overwatering and can lead to total collapse. The best way to prevent fungal diseases from harming your wisteria is to avoid overwatering and increase airflow by pruning regularly.


Common pests

Share to PinterestGorgeous blooms of wisteria
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Insects also target wisteria. Common troublemakers include scales, aphids, mealybugs, and — the most problematic — long-horned borers. These can make your wisteria more susceptible to fungal and bacterial infection by damaging it at a deeper level. Your main line of defense against such pests is to remove diseased branches that may attract them.


Showing off your wisteria

Share to PinterestBlossoming wisteria tree covering up a facade of a house
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One of the main reasons so many people choose to grow wisteria is its attention-grabbing blooms. You’ll want to ensure that your wisteria has the best possible stage from which to shine. Encourage your vine to climb by using the right kind of trellis. A basic metal trellis is strong but can rust over time and damage the plant, so look for wood or exterior-grade metal.


Similar plants

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If you like the look of wisteria but need an alternative option, there are several other climbing plants that are quite similar. Some comparable plants are jasmine, Japanese quince, roses, and downy clematis. All these climbers are well-loved for their ability to embellish trellises, pergolas, and arbors.


Cautions and additional information

Share to PinterestClose-up of a blooming Wisteria
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Keep in mind that every part of the wisteria plant — the roots, stems, and foliage — is poisonous to humans, pets, and livestock. Ingestion can lead to dizziness and vomiting or even death if consumed in large amounts.


Varieties of wisteria

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North America alone is home to around nine species of wisteria. Two popular varieties are Japanese and Chinese wisteria, beloved for their rich fragrance, hue, and the size of their cascading flowers.



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