PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in hot, dry conditions and tolerates intense midday sun in arid regions
Watering
Water deeply when the top 2–3 cm of soil is dry; drought-tolerant once established to avoid overwatering
Temperature
Tolerates light frost but prefers warm daytime temperatures; avoids prolonged exposure to temperatures below 5°C
Characteristics
- Leaf: Alternate, oblong to lanceolate leaves with crenate or lobed margins; covered in fine, stiff hairs
- Flower: Coiled terminal clusters of small, bell-shaped blue to lavender blooms
- Stem: Erect, branching stems with dense, rough hair coverage
Care Guide
Watering
Water regularly during germination and early growth; reduce frequency once plants are established
Fertilization
Light compost application at planting only. Excess fertilizer can reduce bloom production and increase foliage growth
Composted eggshell powder：Dust lightly on soil surface at planting; avoid direct contact with young seedlings to prevent root burnPruning
- Deadhead spent bloom clusters to encourage extended flowering period
- Remove yellowing or damaged foliage to improve airflow and plant appearance
- Trim back stems after flowering to control self-seeding if desired
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: Non-toxic to humans; no known irritant properties
Garden Uses & Culture
Culture: N/A
Usage: Pollinator support for native bees and butterflies; wildflower meadow component; erosion control in arid regions
