PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open, sunny areas and tolerates dry, exposed conditions
Watering
Water deeply when the top 2–3 cm of soil is dry; drought-tolerant once established, avoid waterlogged soil
Temperature
Thrives in cool to temperate climates; tolerates light spring frost but may wilt in extreme summer heat above 32°C
Characteristics
- Leaf: Linear to lanceolate, gray-green, pubescent, arranged oppositely along stems
- Flower: Pink to pale purple, five notched petals, clustered in conical, hairy calyxes
- Stem: Erect, branched, covered in fine sticky hairs that trap small insects
Care Guide
Watering
Water regularly during active growth to support flowering; allow soil to dry between waterings
Fertilization
Diluted balanced liquid feed every 2 weeks. Avoid over-fertilization to prevent leggy growth
Eggshell powder topdress：Crush dried, rinsed eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and improve soil drainagePruning
- Deadhead spent flower clusters to encourage extended blooming
- Remove yellowing or damaged foliage to maintain plant health and appearance
- Cut back entire plant after seed collection to clear garden debris
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: Ornamental wildflower; supports pollinators including bees and butterflies
