Woolly Bluecurls
Trichostema lanatum
Last reviewed: July 2026
Trichostema lanatum is a drought-tolerant California native shrub that produces fragrant blue-purple flower spikes from May through July, attracting bees, hummingbirds, and butterflies to Mediterranean climate gardens.
Woolly Bluecurls (Trichostema lanatum) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
24"–60" H × 24"–48" W
Bloom
May, Jun, Jul
Native to
CA
Pollinators
bees, hummingbirds, butterflies
Browse plants for this ecoregion
Woolly bluecurls is a striking native shrub with fuzzy purple flower spikes and aromatic foliage. It features unique lavender-blue flowers with long, curling stamens that bloom in late spring through summer. The silvery-gray foliage provides year-round texture and interest in drought-tolerant gardens.
Growing Woolly Bluecurls
Grow Woolly Bluecurls in full sun and low water. Mature plants reach 24 to 60 inches tall and spread 24 to 48 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Woolly Bluecurls is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: foundation, mid zone.
- Can look somewhat shaggy without occasional pruning
- May die back prematurely if overwatered or in poorly draining soil
- Moderate lifespan (3-5 years) means replacement may be needed periodically
Wildlife value
This plant is highly attractive to native bees and hummingbirds, which are drawn to its nectar-rich flowers. Butterflies also frequently visit the blooms, making it an excellent pollinator plant.
Common questions
- When does Woolly Bluecurls bloom?
- Trichostema lanatum typically blooms from May through July, producing distinctive blue-purple flower spikes that are highly attractive to pollinators.
- What pollinators visit Woolly Bluecurls?
- This California native attracts bees, hummingbirds, and butterflies with its nectar-rich flowers and long blooming period during summer months.
- Where is Trichostema lanatum native?
- Woolly Bluecurls is native to California, where it grows naturally in chaparral and coastal sage scrub communities from sea level to mountain foothills.
- How much water does Woolly Bluecurls need?
- Once established, Trichostema lanatum is very drought tolerant and requires minimal supplemental watering, making it excellent for water-wise landscaping in Mediterranean climates.
- Is Woolly Bluecurls toxic to dogs?
- Woolly Bluecurls is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Woolly Bluecurls toxic to cats?
- Woolly Bluecurls is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Woolly Bluecurls HOA-friendly?
- Woolly Bluecurls is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Woolly Bluecurls? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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