Jacobaea adonidifolia
Jacobaea adonidifolia · Asteraceae
The gardener's calendar
Ideal time to plant jacobaea adonidifolia: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Asteraceae
- Form
- Herbaceous
- Foliage
- Deciduous
- Flowering
- Summer (June to September)
- Adult size
- 30 to 60 cm in height
- Hardiness
- Fairly hardy (down to -5°C)
- Origin
- Mountain zones of Southern Europe
- Soil type
- Well-drained, light, calcareous
Care
Sunlight
Choose a sunny location with at least 6 hours of direct sunlight daily. This plant loves intense light, which intensifies the colour of its flowers. Avoid overly shaded areas where it will become weak and spindly.
Watering
Water moderately during the growing season, letting the soil dry out slightly between waterings. Reduce watering in winter. Once established, this plant tolerates drought well, thanks to its deep root system. Avoid excessive moisture, which causes rot.
Soil and Drainage
Well-drained soil is essential: opt for a light mix enriched with gravel or sand. This species appreciates calcareous and poor soils. Improve drainage in pots by adding a layer of clay pellets at the bottom of the container.
Pruning and Cutting
Remove spent flowers regularly to extend flowering. In late winter or early spring, cut the plant back to 15 cm from the ground to encourage a compact shape and good branching. Remove any dry or damaged stems.
Fertiliser
Apply a balanced or low-nitrogen fertiliser in spring as growth resumes. Limit applications: this plant prefers poor soils and excess fertiliser promotes overly dense foliage at the expense of flowers.
Diseases and Pests
Watch for rust or powdery mildew in humid conditions; improve air circulation if needed. Aphids may occasionally affect young shoots. Generally hardy against diseases if drainage is correct and the location is well-chosen.
Did you know?
Jacobaea adonidifolia was once classified in the Senecio genus and owes its name to the finely divided nature of its leaves, which resemble those of Adonis. This herbaceous plant from Mediterranean mountains was long overlooked by gardeners, before being rediscovered for its delicate bright yellow flowers and graceful habit, much appreciated in alpine rock gardens.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.