PlantFun
Plant Needs
Sunlight
Requires full sun exposure for robust growth; tolerates partial shade in extremely hot arid regions
Watering
Water deeply but infrequently; allow the top 15–20 cm of soil to dry completely between waterings to avoid root rot
Temperature
Tolerates mild frost down to 5°C; avoid prolonged temperatures below 0°C and extreme heat above 38°C
Characteristics
- Leaf: Large, pinnately compound fern-like leaves with silvery-green, densely hairy texture
- Flower: Dense, flat-topped umbels of tiny bright yellow flowers
- Stem: Thick, fleshy hollow stem with a resinous, aromatic scent when cut
Care Guide
Watering
Keep soil consistently moist during active growth phases
Fertilization
Apply diluted balanced liquid feed once every 2 weeks. Avoid high-nitrogen fertilizers to prevent excessive leaf growth at the expense of flowering
Banana peel compost tea：Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching; discard solid peels to avoid pest infestationsPruning
- Remove spent flower heads after blooming to control self-seeding if desired
- Cut back dead foliage to ground level in late autumn to tidy the planting area
- Thin overcrowded seedlings in early spring to promote strong, upright growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No documented toxicity to cats
Humans: Ingestion of large amounts may cause mild gastrointestinal upset due to coumarin compounds
Garden Uses & Culture
Culture: N/A
Usage: Ornamental architectural garden plant; stem resin used in traditional Mediterranean herbal remedies
