Zones: Wisteria frutescens 'Nivea' Densely packed white flower clusters only 6 inches long, creating a pinecone-like shape. Wisteria vines can grow to epic proportions, spreading feet or more under ideal growing conditions. Wisteria is a member of the pea family Fabaceae , and similar to sweet pea vines, it produces long but poisonous seedpods after the flowers fade.
When the pods ripen and turn brown, they explode with enough force to eject the seeds far away from the parent plant. Planting wisteria is a long-term commitment. If you put a plant in the ground now, it may still be blooming and growing a century later if left undisturbed. Q: I love wisteria but am having a hard time with it here in Minnesota.
Reider, White Bear Lake, Minn. A: Your wisteria is root-hardy, but all the top growth it puts on each year is killed by severe winter temperatures.
The two most common wisterias are W. Its flower clusters are longer and more fragrant, but if your plant has never flowered, the best way to tell which one you have is the manner in which it twines: clockwise for W. If you find you are growing the less hardy species, you might give W. You might also consider wrapping the new growth in burlap for a little extra protection. If swaddling it is out of the question, you may have to settle on another vine. Americans seem to have a strong distrust of vines; we grow them much less than other garden plants.
Why not plant different vines at the base of your arbor and let them fight it out? Why not be Darwinian and let the tough Minnesota winters weed out the weaklings? Try trumpet creeper — the plain red species Campsis radicans , not the named varieties that are less hardy — for its deep-green foliage and wonderful junglelike red flowers in late summer.
A hardy, fast-growing native whose foliage turns scarlet in the fall is Virginia creeper Parthenocissus quinquefolia. Get plant information, gardening solutions, design inspiration and more in our weekly newsletter. More about the newsletter.
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Very fragrant. Wisteria floribunda 'Longissima Alba' Very fragrant white wisteria with dense flower clusters up to 20 inches long. Wisteria floribunda 'Royal Purple' Very fragrant white wisteria with dense flower clusters up to 20 inches long. Wisteria floribunda 'Violacea Plena' Showy blue-violet double flowers that fade to pale lavender.
Wisteria sinensis 'Alba' Short clusters of fragrant, pure white, pea-like flowers. Asian wisterias need to reach a degree of maturity before they are able to produce flowers.
In fact, in can take up to 15 years or more before the vines reach blooming stage. Those who have succeeded in raising wisteria often recommend root pruning, applying superphosphate, rigorous pruning of the shoots and planting in full sun. Most important, you should start with good-quality plants that have been propagated from cuttings of plants known to flower while relatively young. If you know someone willing to share a great specimen, take cuttings of the stem tips in July.
Avoid planting seedling vines because the genetic variability of seed reproduction makes it impossible to predict their blooming habit. Severe pruning is often recommended, back to three or four buds, to keep the plant manageable and renewed. They flower a little later in spring but periodically rebloom through the summer. American wisteria W. Kentucky wisteria W. Some consider this to be a sub-species of American wisteria. However, if you want a challenge, take softwood cuttings in mid spring.
Cut lengths of new stem of about 15cm long, removing from the parent plant above a leaf joint. Cut the material back to about 10cm, just below a leaf joint.
Remove the lower leaves, leaving about four at the top of each cutting. Fill pots with cutting compost, level and firm the compost and then water.
When signs of growth are evident remove the bag and pot on. The most common problem experienced by wisteria growers is lack of flowers. Wisterias take time to flower; expecting flowers before the plant is four years old may be unrealistic. Wisterias that are grown from seed can take up to 20 years to flower but these are rarely, if ever, sold. Here, David Hurrion offers advice on locating, pruning and feeding your wisteria , for maximum blooms.
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Low-maintenance creeping, hardy carpet Phlox is ideal for colourful, spring ground cover. Home How to Grow plants How to grow wisteria. How to grow wisteria — where to plant wisteria. How to grow wisteria — Wisteria sinensis grown as a standard in a pot. How to grow wisteria — pruning wisteria in summer. Subscribe now. Buy now for spring flowers.
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