Description
Form: Herb.
Lifespan: Annual or short-lived perennial.
Growth rate: Rapid.
Mature Size: 1-2' (30-60cm) high and wide.
Flowers: Yellow, toothed rays surrounding a center of 25 to hundreds of yellow
florets.
Each tall flower stalk supports one 1-2" (2.5-5cm) wide flower.
Bloom: At intervals, all year or spring to fall depending on local climate and
water.
It is least likely to bloom in January.
Fruit: Each floret produces a dry fruit with a single seed (cypsela).
Leaves: Silvery-green, forming a basal rosette to 6" (15cm) high.
Stems: Silvery green, bending upwards.
Wildlife: The flowers attract bees and butterflies. The seeds attract birds.
Toxic / Danger: All parts of this plant are toxic.
Origin: Southwestern United States and Mexico.
Cultivation and Uses
USDA hardiness zones: 7-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Soil: Well draining, dry, no organic content, pH 6.6-9.0 (neutral to highly
alkaline). This plant is prone to root rot in poorly draining soil.
Water once established: Once a month. Do not overwater.
Mulch: Gravel.
Litter: Low.
Propagation: Seed, sown outdoors at the start of winter, exposed to cold and wet
conditions. It can reseed easily in disturbed areas.
Uses: Ornamental, low water (xeriscape) garden. It may occasionally attract wildlife.
Comments
This plant is a member of the Daisy family (Asteraceae).
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