Gardening
in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Erigeron divergens: Spreading Fleabane

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Description
Form: Herb.
Lifespan: Biennial to perennial.
Growth rate: Rapid.
Mature Size: 6-18" high.
Flowers: One-inch wide, narrow white to violet rays, yellow centers. Flowers fold up in late afternoon revealing pale purple undersides and resemble round lavender balls. One plant may have more than a dozen blooms at one time.
Bloom: Sporadically, winter, spring, summer, fall, depending on local climate.
Fruit: Bristly seeds.
Leaves: Long, narrow, dull green.
Stems: No thorns. Long, narrow, dull green.
Roots: Clump-forming.
Wildlife: Attracts butterflies.
Toxic / Danger: No.
Origin: Western United States, Canada and Mexico.

Cultivation and Uses
USDA hardiness zones: 2-10.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade..
Water once established: Once a month.
Soil: Well drained, dry, low organic content, pH 6.1-7.8 (slightly acidic to slightly alkaline).
Litter: Low.
Propagation: Seed, root division. Easily reseeds.
Uses: Ornamental.

Comments
Species is highly variable in appearance. The butterfly is a Dainty Sulphur.



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Erigeron divergens: Spreading Fleabane

Erigeron divergens: Spreading Fleabane - with butterfly