Form: Clump-forming herb.
Leaf retention: Evergreen but dies to ground in hard freezes.
Growth rate: Moderate.
Mature Size: 2-3' high and wide.
Flowers: White or pink, four petals usually on upper
side of center, with long stamens, from pink buds,
opening only a few at a time in long terminal spikes.
Little to no fragrance depending on variety.
Bloom: All year in regions without freezes.
Leaves: Green, lance-shaped, 1-3" long, possibly with
Stems: No thorns. Some cultivars are more compact with
shorter flower stalks.
Roots: Deep taproot makes transplanting difficult.
Spreads by rhizomes.
Wildlife: Attracts insects.
Toxic / Danger: No.
Origin: Texas, Louisiana, Mexico.
Cultivation and Uses
USDA hardiness zones: 6-10.
Heat tolerant: Needs part shade in afternoon.
Drought tolerant: Yes.
Sun: Part shade in afternoon or all day in hot desert
Water after becoming established: Once or twice a
month. Tolerates frequent watering in well drained soil
but root rot can occur if soil stays damp.
Overwatering results in leggy growth.
Soil: Very well drained, pH 6.1-7.8 (slightly acidic to
slightly alkaline). Too much organic material in soil results
in leggy growth.
Mulch: Do not use mulch so soil can dry quickly.
Prune: Remove spent flowers at base of stalk to encourage
re-blooming. Cut back if leggy to encourage compact growth.
Propagation: Seed, cuttings.
Self-seeds, except some cultivars may be sterile.
Several cultivars are available in white and pink.
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