PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in direct sunlight, tolerates light afternoon shade in hot inland climates
Watering
Water deeply once weekly during establishment; drought-tolerant once mature, reduce watering in winter
Temperature
Hardy to -12°C; withstands summer heat up to 32°C, avoid prolonged extreme frost exposure
Characteristics
- Leaf: Small, glossy dark green oval leaves with serrated margins, aromatic when crushed
- Flower: Dense clusters of bright cobalt blue tiny blooms, lightly fragrant
- Stem: Woody branching stems with smooth grayish-brown bark
Care Guide
Watering
Water deeply every 7–10 days during dry spells; avoid overwatering
Fertilization
Apply balanced slow-release feed once in early spring. Avoid high-nitrogen fertilizers to prevent excessive foliage growth over bloom production
Eggshell powder topdress：Crush dried eggshells into fine powder, sprinkle lightly on soil surface; water in to release nutrients gradually without odor or pest riskPruning
- Lightly prune after flowering to maintain compact shape and encourage new growth
- Remove dead or damaged branches in late winter to improve airflow
- Avoid heavy pruning as it may reduce bloom production the following season
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic to cats; no reported toxicity symptoms
Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact
Garden Uses & Culture
Culture: Symbolizes resilience and coastal beauty in Western US residential gardens
Usage: Ornamental shrub for hedges, borders, or wildlife gardens; attracts pollinators like bees and butterflies
