PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open grassland and wildflower meadow habitats
Watering
Keep soil moderately moist; tolerates short periods of dryness during established growth
Temperature
Prefers cool temperate conditions; avoid extreme heat above 28°C which may cause premature wilting
Characteristics
- Leaf: Narrow linear to lanceolate leaves with glandular hairs, arranged oppositely along stems
- Flower: Dense terminal spikes of bright yellow, tubular two-lipped corollas
- Stem: Erect, branched stems covered in sticky glandular hairs that trap small insects
Care Guide
Watering
Keep soil consistently moist during active growing and flowering periods
Fertilization
Light, diluted balanced fertilizer application once monthly. Minimal fertilization needed; excess nutrients may reduce flowering intensity
Composted eggshell powder：Sprinkle a thin layer around the base of plants; avoid direct contact with stems to prevent potential irritation from sharp shell particlesPruning
- Deadhead spent flower spikes to prevent unwanted self-seeding in managed garden spaces
- Remove yellowing or senescent foliage to maintain a tidy appearance during growth
- No heavy pruning required; plant has a compact, upright growth habit naturally
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No listed toxicity to cats
Humans: No known toxic effects to humans
Garden Uses & Culture
Culture: N/A
Usage: Wildflower for pollinator gardens; supports bees and butterfly species as a nectar source
