Q.Zones
What are safe zones for blue flax perennial? Also, can you plant seeds for flax in zone 4, Vermont?
Downtoearthdigs
Answered on January 30, 2016
Blue Flax is hardy in zones 5 -9, can be grown in zones 3 -4, but not as reliable.
https://www.gardeningknowhow.com/ornamental/flowers/flax/flax-plant-care.htm
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