Wild Blue Iris typically only grows approximately one foot tall including the foliage and flower stalk however, it is not uncommon to see them in meadows up to two feet tall. Wild Blue Iris is also known as Rocky Mountain Iris, Wild Blue Flag Iris, and Western Blue Flag Iris.
Sow Iris seeds in moist peat moss in starter flats in the late winter. Snip off the pointed end of the flower seed with nail clippers to hasten germination. Cover the Wild Blue Iris seed 1/8 - 1/4 inch with peat moss, and keep flower seeds continuously moist. Transplant outdoors and keep protected for the first growing season.
Season: Perennial USDA Zones: 2 - 9 Height: 12 - 24 inches Bloom Season: Spring and summer Bloom Color: Blue Environment: Full sun Soil Type: Moist, well-drained, pH 6.1 - 7.8
Temperature: 64 - 72F Average Germ Time: 14 - 28 days Light Required: Yes Depth: 1/8 -1/4 inch Sowing Rate: 1 - 2 seeds per plant Moisture: Keep seeds moist until germination Plant Spacing: 6 - 12 inches