Wisteria 'Blue Moon'Blue Moon Kentucky Wisteria. Fully winter hardy, this Wisteria blooms up to three times a year. Lilac-blue flowers appear in June, August … Provide a sturdy structure for the Blue Moon Wisteria … Buy Blue Moon Wisteria online. Misc Sizes: 15 gal … Deer resistant. It will grow 15-20' tall with a similar spread. Hailed as a great bloomer by gardeners in Northern Minnesota. Plant in zones 5 to 9. Open to the Public. Blue Moon Kentucky Wisteria Wisteria macrostachya 'Blue Moon' Sku #1734. Wisteria macrostachya 'Blue Moon' grows best in Full Sun. Skip to main content. Dependably blooms up to three times in a growing season once established, producing beautiful, foot-long racemes of fragrant, pea-like, lavender-blue … The hardiest of wisteria! Contact Us • ... 5 Gallon Trellis: 49.00. Does not transplant well. San Diego's Largest Wholesale Nursery. Grows best in acidic, humusy soil that is moderately moist with good drainage. Evergreen Nursery. Excellent winter hardiness.