Also known as Romero · Woolly Blue Curls
Trichostema lanatum, woolly bluecurls, is a striking native California shrub with woolly leaves and vibrant, fuzzy purple-blue flower spikes.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun is ideal for optimal growth and flowering.
100% intensity
Needs at least 6-8 hours of direct sunlight daily.
Allow soil to dry out completely between waterings.
25% intensity
Overwatering is harmful; infrequent, deep watering is preferred.
Well-drained
50% intensity
Prefers moderate temperatures.
50% intensity
Thrives in warm summers and mild winters; can tolerate some frost.
Low fertilizer needs.
25% intensity
Feed once in early spring with a balanced, slow-release fertilizer.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water woolly bluecurls sparingly, allowing the soil to dry out completely between waterings. Overwatering is detrimental and can lead to root rot. Focus on deep, infrequent watering, especially during establishment.
Reduce watering significantly in cooler, dormant periods to prevent soggy conditions.
Prune woolly bluecurls after flowering to maintain shape and encourage bushier growth. Remove spent flower stalks and any dead or damaged stems.
Light pruning can be done in late winter or early spring before new growth begins, but avoid heavy cutting into old wood.
Propagate woolly bluecurls from seeds sown in early spring or from stem cuttings taken in late spring. Seeds may require stratification. Cuttings should be rooted in a well-draining medium.
Patience is key, as propagation can be slow. Ensure good air circulation to prevent fungal issues.
Repot woolly bluecurls only when absolutely necessary, typically every 2-3 years, as they dislike root disturbance. Use a gritty, well-draining potting mix. Choose a pot only slightly larger than the current one.
Repotting is best done in spring before the active growing season commences.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Woolly Bluecurls (Trichostema lanatum)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Trichostema |
| Species | Trichostema lanatum |
Similar in genus Trichostema
Answers based on plant encyclopedia data
