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This plant is said to grow outdoors in the following regions:
Bridgehampton, New York
When I bought these plants they were listed as hardy to -40'. I'm putting them in my perennial "hummer's sanctuary". I love the color and...Read More have my fingers crossed that they could survive a zone 4a winter.
Flowers are lavender-blue - a lighter colour than 'Blue Horizon'.
When I bought these plants they were listed as hardy to -40'. I'm putting them in my perennial "hummer's sanctuary". I love the color and...Read More
Flowers are lavender-blue - a lighter colour than 'Blue Horizon'.