Thorn iris
Iris 'Thorn'
USDA zones3 to 9
SunHandles full sun to partial sun
Size2 to 4 feet tall12 to 24 inches wide
- Bloom season
- Spring
- Bloom color
- Purple
Notes
'Thorn' iris (Iris 'Thorn') is a perennial with fragrant purple flowers. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full or part sun. It blooms in early to late spring on stems 24 to 48 inches tall. Rabbits tend to pass it by. Divide the clumps every two to three years just after blooming.
Pairs well with Blush peony, Spotted dead nettle, and Sedge.