![]() A late-winter application of a complete fertilizer, such as 16-4-8, should be sufficient for the year. ![]() Then trim lightly again after the first flush of bloom to encourage branching and more repeat blooms. Prune Amethyst Falls Wisteria in late winter, if necessary, to shape the plant and remove undesirable growth. Is happy in full sun or part shade however flowering will be diminished in heavy shade. Give your American wisteria a spot with well-drained, moist soil and full sun (where the plant will get at least six hours of direct sunlight every day). ![]() Courtesy of Sarah White/Clemson Extension How to Grow Native Wisteria. It can also be trained to grow as a small, free-standing tree.īecause this vine is a native, it is widely adaptable to various soil types and thrives in a wide range of pH (4.5-7). 'Amethyst Falls' American wisteria creates a purple cascade of blooms over an arbor. It’s a perfect choice for pergolas, trellises or fences. Flowers are fragrant, lavender-blue and borne in 2- to 4-inch-long racemes that cascade from the foliage like a waterfall.ĭeer and drought tolerance are other outstanding attributes that earned Amethyst Falls Wisteria a Gold Medal award in 2006. What's more, new shoots produced after the spring bloom will produce a second flush of blooms in the summer!Ĭonsidered by some to be a dwarf wisteria, Amethyst Falls has smaller leaves and flowers than the Asian types. Flowering occurs on new growth and is about two weeks later than that of the Asian types, so late-winter frosts seldom affect flowering. While the Asian types of wisteria may take 10 years or more to begin flowering, Amethyst Falls begins flowering at one year of age. Though Amethyst Falls will grow 20 to 30 feet in length, it is much less invasive and easier to manage than are its Asian cousins, which can run wild! If purchasing a grafted wisteria from a garden centre, it may take up to 3-5 years to mature and begin flowering. It prefers a full sun environment and a cold winter season to produce a stunning display of flowers. Have you always loved the incredible show of bloom and fragrance of a Wisteria vine in full bloom, but didn't want to spend the rest of your life trying to control its growth? Your worries are over! Introducing our own homegrown 'Amethyst Falls', a native Wisteria. Chinese wisteria (WISTERIA SINESIS) Chinese wisteria is one of the most commonly seen wisterias in Australian gardens.
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