In order to successfully use these structures, they must be made of a stout, weather-resistant material like cedar and set securely in the ground with concrete footings. Blue Moon Wisteria is a cultivar of Kentucky wisteria, native to the USA. Wisteria is known to grow to colossal heights in warm climates in the south, but practically everyone can own this lavender beauty in tree form. Wisterias usually bloom within three to five years of planting. Although this vine may produce flowers by the second or third year after planting, it may take longer. I got 6 'Blue Moon' wisteria seeds from AudreyDee in the NFSR Swap Dec. 2018. Deciduous. The flowers and foliage tend to droop down from the weight. The most important factor to consider when growing wisteria is location. This vine requires deep, rich soil that is somewhat moist but will tolerate mâ¦ The Blue Moon Reblooming Wisteria plant from Spring Hill Nurseries produces beautiful lavender-blue, foot-long clusters. Open areas surrounded by lawn that can be easily mowed are ideal for growing wisteria. While different environments will change the color slightly from a more blue color to a more purple color, this variety always has at least that hint of blue that makes it so desirable. The Chinese flowers bloom before the foliage expands while the Japanese bloom and leaf out simultaneously. The 6th one just sprouted overnight. Wisterias are notorious for their late-blooming tendencies, but consider this plant a long-term investment. I planted them 1-7-19 after I nicked & soaked them overnight. Wisteria is a twining vine that requires sturdy support and regular pruning to keep it under control. Today, 1-29th, I transplanted the five plants that are already 5" & have several leaves into a little bigger pots. To begin with, wisterias have a longer than average period of acclimatization. Blue Moon Wisteria will grow to be about 30 feet tall at maturity, with a spread of 24 inches. In coastal areas with cold, rainy springs, wisteria should be planted in a protected area. If you have tried to grow a regular Chinese wisteria in a cold area and never had blooms, then the Blue Moon Wisteria is for you. Share story. Quick facts. For what it may be worth, vines of the Japanese variety twine clockwise around their host while the Chinese twine counterclockwise. Blue Moon Wisteria is recommended for the following landscape applications; Hedges/Screening; General Garden Use; Planting & Growing. How to grow wisteria. Today, 1-29th, I transplanted the five plants that are already 5" & have several leaves into a little bigger pots. Although the Blue Moon Wisteria grows naturally in the south, it is hardy throughout the country, even into zone 3, with winter temperatures of minus 40. Vines can grow 15 to 25 feet long and produce 6 to 12 inch racemes of scented pea-like flowers which appear in June. The vine can reach heights of more than 25 feet. Once the vines start flowering, prune immediately after the blooms fade and again in late winter. Kentucky Wisteria Macrostachya âBlue Moonâ: One of the most reliable even in northern climates, pale purple blooms several times between early and mid-summer. Pruning for this wisteria should be kept to a minimum (e.g., pruning back tips after bloom or in winter). Plant this Wisteria macrostachy Blue Moon in full sun on a sturdy structure, and the Kentucky wisteria will bloom up to an amazing three times each year. Wisteria is fully hardy, although the emerging flowers (racemes) can be damaged by frost (see below) which means a sheltered spot is best. My wisteria tree, is still a vine, simply trained as a tree. ... Wisteria can grow over 25 feet if grown in proper soil and in the right amount of sunlight. Wisterias planted from seed can take as long as 20 years or might never bloom at all. Wisteria, like many legumes, doesn't require a lot of fertilizer. 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