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Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 75.
Recommended Temperature Zone:|
sunset: All zones
Frost Tolerance: Cool season annuals in Phoenix, questionable as perennial
Heat Tolerance: Afternoon shade in hot areas
Sun Exposure: Full sun
Growth Habits: Mat forming herbaceous perennial, 4 to 12 inches tall (10-30 cm)
Watering Needs: Some water, well drained soil.