Wisteria Like Flower. Both of these compounds are toxic to humans and pets. Native to North America this variety Wisteria frutescens can still reach up to 30 feet in height and width showering any nearby structure in clusters of mesmerizing blue flowers.
The wisteria vine contains a substance known as lectin as well as the compound wisterin. The 12- to-18-inch clusters are loaded with as many as 160 blooms more than all other Japanese wisteria. It is a weed tree from Japan.
It is a weed tree from Japan.
May 10 2021 Wisteria sinensis blue flowers in May or June before the foliage. May 06 2021 Varieties of wisteria trees are relatively easy to grow in USDA zones 4 9. They are quite beautiful and look like upsidedown wisteria flowers. Two common varieties of Japanese wisteria includeHonbeni syn.