Gardening
in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Barkleyanthus salicifolius: Willow Ragwort

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Description
Form: Shrub.
Leaf retention: Evergreen in regions without freezes.
Growth rate: Moderate.
Mature Size: 4-8' high and wide.
Flowers: Four to five yellow rays with pale orange center fading to brown, fragrant.
Bloom: Most of year in regions without freezes.
Fruit: Dry capsule containing a single seed.
Leaves: Green, long, lance-shaped.
Stems: No thorns.
Wildlife: Attracts small butterflies. Browsed by mammals.
Toxic / Danger: Not reported.
Origin: Arizona to Texas, Mexico, Central America.

Cultivation and Uses
USDA hardiness zones: USDA 9-12.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to light shade.
Water after becoming established: Once or twice a month. May need weekly water in hottest months.
Soil: Well drained, dry, low in organic content, pH 6.1-9.0 (slightly acidic to highly alkaline). Should not be fertilized. Fertilizing reduces its attractiveness to butterflies.
Prune: In winter, prune to shape.
Litter: Low.
Propagation: Seed, cuttings.
Uses: Butterfly attractor.

Comments
Former scientific names: Senecio salignus and Cineraria salicifolia. Other common names are Willow Groundsel, Willow Leaf Groundsel, and Jarilla. The yellow and gray butterfly is a Dainty Sulphur. The brown butterflies are Texan Crescents.



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Barkleyanthus salicifolius: Willow Ragwort - flowers

Barkleyanthus salicifolius: Willow Ragwort - with butterflies

Barkleyanthus salicifolius: Willow Ragwort