Iris tenax (Oregon Iris) Seed Packet WW

Surely one of the prettiest irises. This native wildflower forms grass-like clumps of emerald-green foliage which give rise to enticingly beautiful, almost exotic, blooms of varied colors. Colors most commonly range from purple to light blue, but can occasionally be pink to white. Evergreen, deer-resistant.

• Family: Iridacaea
• Per/Ann: Perennial
• Sun/Shade: Sun to part shade
• Zones: 6b to 9 b Height: 6" to 20"
• Bloomtime: mid-spring to early summer
• Habitat: Open woods, woodland edges, meadows, moist to dry soils.
• Stratification: 4 wks of warm-moist followed by 8 wks of cold-moist.
• Planting depth: 1/4"
• Seeding rate: 

          Broadcasting: approx 30 seeds/ sq ft

          Small pots/Spots in situ: 6-8 seeds per pot/spot

Has a long & variable stratification requirement. Seeds planted mid-summer and kept moist will often germinate over the winter. Artificial stratification is less satisfactory but can be done. Regardless, some seed will possibly take 2 seasons to germinate.

Portland Plant List (Backyard Habitat Certification): Yes