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Galactites tomentosa

Galactites tomentosa · Asteraceae

The gardener's calendar

The right move for September

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

JFMAMJJASOND Planting

ID card

Common name
Corsican Thistle, Woolly Thistle
Family
Asteraceae
Foliage
Deciduous
Flowering
June to September
Adult height
40 to 80 cm tall
Growth rate
Fast
Hardiness
Moderate (zone 9-10)
Origin
Mediterranean region

Care

Exposure

Place Galactites tomentosa in full sun to promote generous flowering and dense foliage. This Mediterranean plant appreciates at least 6 hours of direct daily light. In hot zones, light afternoon shade can prevent excessive water stress.

Watering

Water moderately and regularly, especially during growth and flowering phases. Once established, this plant tolerates drought well. Let the soil dry slightly between waterings to avoid root suffocation. Reduce watering in winter.

Soil and drainage

Favor light, well-draining soil, even poor or gravelly soil, which recalls its natural environment. Standard potting mix or soil mixed with sand works very well. Avoid overly rich and wet soils that promote rot.

Fertilizing

A balanced fertilizer application in spring is quite sufficient. This frugal plant doesn't demand intensive fertilization. In very poor soil, a light application once or twice per season can support flowering.

Pruning and maintenance

Remove faded flowers to extend the flowering period and encourage branching. After the cold season or in late winter, cut back dry or damaged stems. Light pruning maintains a compact and attractive shape.

Diseases and pests

Galactites tomentosa is generally hardy against pests. Watch for powdery mildew in case of excessive humidity. Good drainage and air circulation significantly reduce these risks. Little treatment is needed in optimal conditions.

Did you know?

Galactites tomentosa owes its name to the Greek 'gala' (milk) in reference to the whitish veins of its very woolly leaves. A premier nectar plant, it massively attracts bees and butterflies, making it an ideal ally for an ecological Mediterranean garden.

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.