Site Characteristics

Sunlight:

• full sun
• part shade

Soil conditions:

• requires well-drained soil

Hardiness zones:

• 3 to 9

Plant Traits

Lifecycle: perennial

Ease-of-care: easy

Height: 2.5 to 3 feet

Spread: 2 to 3 feet

Bloom time:

• mid-summer
• late summer

Flower color:

• red
• orange
• yellow
• pink

Blooms can be any shade of the above colors, often marked with midrib and throat coloration and brownish "eyes."

Foliage color: light green

Leaves are sharply creased along midribs.

Foliage texture: medium

Shape:

• cushion, mound or clump
• grass-like

Shape in flower: flower stalks with upright spikes

Blooms borne on erect, branching scapes rising above the folaige.

Special Considerations

Special characteristics:

• aggressive - Spreads by extensive rhizomes.
• non-invasive - Naturalized in much of North America, but seeds are sterile and plants can only "escape" into the wild by discarded root systems.
• not native to North America - Native to Asia, but naturalized in much of North America.

Special uses:

• cut flowers
• naturalistic garden

Growing Information

Varieties