How to grow Douglas Iris

Iris douglasiana

Dig clumps every 3-5 years and divide. Can handle drought and seasonal flooding.

These estimates for how long Douglas iris takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

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Named for David Douglas who discovered it around 1840.

Native of west coastal areas of USA. Cattle do not like the taste of the bitter leaves.

Pacific coast iris, Pacifica, Iris douglasiana, Pacific iris