Woolly Blue Curls (Trichostema lanatum), also known as Romero, is a showstopping California chaparral endemic that pairs electric violet-blue flowers wrapped in soft, fuzzy wool with a rich, minty-sage aroma.

Woolly Blue Curls is one of the most spectacular native shrubs of the Golden State—an aromatic, sun-loving evergreen sub-shrub whose brilliant violet flowers emerge from dense, woolly lavender-pink bracts with long, dramatically curved stamens. Endemic to dry, rocky slopes of the California coastal ranges from Santa Barbara down to Baja, it demands sharp drainage and full sun, rewarding gardeners with months of vivid bloom from spring through midsummer, a powerful herbal fragrance, and unmatched pollinator appeal.

Key Features:

• Vivid Woolly Blooms: Brilliant violet-blue flowers wrapped in dense, woolly lavender to white fuzz — a striking combination found in virtually no other native shrub.
• Prime Hummingbird and Bee Plant: One of the most reliable native shrubs for attracting Anna's hummingbirds, bumblebees, and native bees in the California coastal chaparral.
• Intensely Aromatic Foliage: Narrow, rosemary-like leaves release a rich, sweet, herbal-mint fragrance that intensifies under hot afternoon sun.
• California Chaparral Endemic: Native exclusively to dry, rocky coastal slopes—a prized, regionally significant species with extraordinary visual impact.
• Drought Adapted: Adapted to thrive in dry, gravelly soils under intense heat with zero summer irrigation once established.
• Eco-Friendly: Grown non-GMO and neonicotinoid-free to ensure a healthy ecosystem for your local wildlife.

This shrub ships in a one gallon container with established root mass.

Why Choose Woolly Blue Curls?

Woolly Blue Curls pairs lasting garden beauty with real ecological benefit, reaching 2 to 5 feet tall and wide; aromatic, mounding evergreen sub-shrub. Outstanding nectar source for hummingbirds and native bees — especially bumblebees and carpenter bees; attracts swallowtails and other butterflies throughout the bloom season. It's a resilient, low-maintenance choice that supports local biodiversity season after season.

Planting Tips:

1. Location: Plant in full sun with dry, rocky, sandy, or gravelly soils with exceptional drainage. Thrives on dry slopes and decomposed granite; will not tolerate heavy clay, soggy soil, or standing water.
2. Watering: Water occasionally during its first winter and spring to establish roots. Once established, it requires zero summer irrigation—watering during hot summer weather is the primary cause of root rot.
3. Maintenance: Minimal care required. Avoid heavy pruning into old woody stems; if needed, lightly trim back spent flower spikes in late winter before new spring growth emerges.

For more information on planting, view our How to Plant Your Native Plants guide and other planting tips in the Garden for Wildlife Learning Center.

Add the beauty and ecological benefits of Woolly Blue Curls to your garden — a native shrub that rewards you with brilliant violet-blue flowers in dense whorled spikes, wrapped in woolly white to lavender-purple bracts from April through August while supporting pollinators and wildlife.

Shipping Range:

• CA

Zip Code Verification: Our plants are grown regionally to thrive where you live and help local wildlife. Confirm availability for your area using the zip code checker near the add to cart button above.

Returns: Due to the nature of our products, we are unable to offer order cancellations, returns or exchanges. In order to guarantee your satisfaction, all plants are covered by our Plant Guarantee.

*To ensure your plants arrive healthy, we may delay shipments to certain areas during times of extreme temperatures, natural disasters, or other conditions that will impact the plants during transit

Sizing: This shrub ships in a one gallon container with established root mass. In the fall, branches will be 12” to 18” tall with leaves. Spring shipments will be dormant with only branches and no leaves and a healthy one gallon root mass.

Recommended container sizes (in width) for container planting:

• 24 In
• 36 In
• 48 In