Garden Oracle / Drought and Heat Tolerant Gardening / Tucson - Phoenix - Arizona - California

Growing Barkleyanthus salicifolius:
Willow Ragwort

social icons Facebook Pinterest Instagram

Form: A subshrub with herbaceous stems on a woody base.
Leaf retention: Evergreen in regions without freezes.
Growth rate: Moderate.
Mature Size: 4-8' high and wide.
Flowers: Four to five yellow rays with a pale orange center fading to brown, fragrant.
Bloom: Most of the year in regions without freezes.
Fruit: A dry capsule containing a single seed.
Leaves: Green, long, lance-shaped.
Stems: No thorns.
Wildlife: Attracts small butterflies and bees. 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.
Soil: Well drained, dry, low in organic content, pH 6.1-9.0 (slightly acidic to highly alkaline). Fertilizing this plant reduces its attractiveness to butterflies.
Prune: In winter, prune to shape.
Litter: Low.
Propagation: Seed, cuttings.
Uses: Butterfly attractor.

This plant is a member of the Aster family (Asteraceae). The yellow and gray butterfly is a Dainty Sulphur. The brown butterflies are Texan Crescents.

Do you have additional information or a different experience for these plants that you would like to share? Email All contributions are welcome and appreciated.

Barkleyanthus salicifolius: Willow Ragwort - flowers

Barkleyanthus salicifolius: Willow Ragwort - with butterflies

Barkleyanthus salicifolius: Willow Ragwort

Latest update: May, 2021
© 2008-2024 by