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Crown daisy

Glebionis coronaria · Asteraceae

The gardener's calendar

The right move for September

Ideal time to plant crown daisy: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Common name
Crowned chrysanthemum, Crowned daisy
Family
Asteraceae
Type
Annual or biennial herbaceous plant
Flowering
Autumn and winter (September to November)
Adult size
30 to 60 cm in height
Light exposure
Full sun
Hardiness
Frost-sensitive, to be grown in temperate climates
Origin
Mediterranean basin and North Africa

Care

Light exposure

Glebionis coronaria needs full sun to bloom generously and develop a compact structure. Place it in a location receiving at least 6 hours of direct sunlight daily. Insufficient light can weaken flowering and promote weak, spindly growth.

Watering

Water regularly to keep the soil moist but without waterlogging. During active growth and flowering periods, increase watering. Reduce watering in winter or when temperatures drop. Always check that the soil dries slightly between waterings.

Soil and planting

This plant prefers rich, well-draining soil that is slightly chalky. Improve your soil with well-decomposed compost before planting. Avoid heavy or clay soils that promote root rot. Good drainage is essential for plant health.

Fertilizer

Apply a balanced fertilizer every 2 to 3 weeks during growth and flowering. Opt for a formulation with a slight excess in phosphorus and potassium (NPK type 10-15-10) to encourage flowers. Stop feeding in winter when growth slows down.

Pruning and pinching

Pinch young stems regularly to promote a compact, branched habit. Remove faded flowers as they appear to extend flowering. At the end of the season, you can prune the plant lightly if it becomes too sprawling.

Diseases and pests

Watch out for powdery mildew and rot in case of excessive moisture. Ensure good air circulation around plantings and avoid overhead watering. Aphids and spider mites may occasionally attack the foliage; good hygiene and adequate plant vigor are usually sufficient to keep them in check.

Did you know?

Glebionis coronaria, formerly called Chrysanthemum coronarium, is a plant traditionally consumed in the Mediterranean as a leaf vegetable in salads and cooked dishes. In Asia, this tradition dates back over a thousand years, making it a historical ally of popular gastronomy long before its rise as an ornamental flower.

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.