Spec sheet
- Hardiness
- Hardy to zone 5
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Sizes we grow
Container grown (CG)
- #1
About this plant
Deciduous perennial forms clumps of stiff, sword-shaped green foliage. Large, flattened, flowers are borne on 2 to 2-1/2 foot stems in summer. Hardy to -30* F. Sun to part shade. Rich, moist, acidic soil. Ideal for wet bog gardens and along pool sides.