Spreading Fleabane
Erigeron divergens
A prolific Southwestern native that scatters tiny daisy-like flowers in white, pink, purple, and red across the landscape.
A cool-season native annual/short-lived perennial in USDA zones 9-11; sow in fall for spring bloom in the low desert, where it reseeds to persist year to year.
AMWUA Notes
A low-water native wildflower that reseeds itself and feeds small pollinators across informal meadow plantings.
Care Guide
Water every 1-2 weeks during active growth and bloom; this native tolerates dry spells but flowers most freely with modest moisture.
Little pruning needed — a light shearing when bloom fades tidies it and can encourage a second flush; leave some seed heads to reseed.
None needed; it thrives in lean native soil.
Essentially pest-free.
A short-lived native that behaves as a cool-season annual or biennial; sow in fall for spring-into-summer bloom, and let it reseed to naturalize.
Soil, Feeding & Propagation
Lean, well-drained sandy or gravelly native soils; tolerant of poor, rocky ground.
Needs well-drained soil.
None — thrives in lean desert soil without fertilizer.
Seed; sow in fall (cool-season) and let it reseed to naturalize.
2 ft
Minimal; short-lived and shallow-rooted, it renews by reseeding.
Placement Tips
- •Scatter through a wildflower meadow where its low, spreading mounds knit the planting together.
- •Let it reseed freely for a naturalized, self-sustaining drift of tiny daisies.
- •Combine with taller natives that rise above its spreading habit.
- •Full sun; a low-key but reliable pollinator plant for informal desert plantings.
Features
Best Uses
Ecological Value
Attracts
Companion Plants
Quick Stats
Design Styles
Include in Your Project
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Use this care guide to maintain your Spreading Fleabane. Questions about your landscape? Reach out anytime.
Data from 2024 AMWUA “Landscape Plants for the Arizona Desert” guide.
Spreading Fleabane — common questions
Answers for low-desert Phoenix conditions, drawn from this plant’s growing data.
How much water does Spreading Fleabane need in Phoenix?
Spreading Fleabane is a moderate-water annual once established. Water every 1-2 weeks during active growth and bloom; this native tolerates dry spells but flowers most freely with modest moisture. A low-water native wildflower that reseeds itself and feeds small pollinators across informal meadow plantings.
How big does Spreading Fleabane get?
Expect roughly 1.5 ft tall and 2 ft wide at maturity, with a moderate growth rate. Allow about 2 ft of spacing when planting. Minimal; short-lived and shallow-rooted, it renews by reseeding.
Can you plant Spreading Fleabane near a pool?
Yes. Spreading Fleabane is considered pool-friendly, meaning it stays clean enough around water features and hardscape. Litter is rated low.
Can Spreading Fleabane handle Arizona heat and winter frost?
Spreading Fleabane is hardy in USDA 9-11 and wants full sun. A cool-season native annual/short-lived perennial in USDA zones 9-11; sow in fall for spring bloom in the low desert, where it reseeds to persist year to year. A short-lived native that behaves as a cool-season annual or biennial; sow in fall for spring-into-summer bloom, and let it reseed to naturalize.
Does Spreading Fleabane have thorns?
No. Spreading Fleabane is thornless, so it is safe alongside walkways, patios and play areas.
Is Spreading Fleabane safe around pets?
Spreading Fleabane is listed as pet-friendly in this guide. If your dog is a determined chewer, check any new plant with your vet before planting.
When does Spreading Fleabane bloom in Arizona?
Spreading Fleabane blooms in summer-fall, with white/pink/purple/red flowers. The bloom draws bees, butterflies.
How much maintenance does Spreading Fleabane need?
Spreading Fleabane is low-maintenance. Leaf, flower and pod litter is rated low. Little pruning needed — a light shearing when bloom fades tidies it and can encourage a second flush; leave some seed heads to reseed.
What kind of soil does Spreading Fleabane need?
Lean, well-drained sandy or gravelly native soils; tolerant of poor, rocky ground. It needs no supplemental feeding. None needed; it thrives in lean native soil.
Is Spreading Fleabane native to Arizona?
Yes. Spreading Fleabane is native to Arizona and to the Western US, Northern Mexico, so it is adapted to local rainfall, soil and heat.