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Edelweiss

Leontopodium nivale · Asteraceae

The gardener's calendar

The right move for September

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

JFMAMJJASOND Planting

ID card

Scientific name
Leontopodium nivale
Family
Asteraceae
Type
Alpine perennial herbaceous plant
Adult height
10 to 20 cm
Flowering
July to September
Foliage
Evergreen, covered with silvery hairs
Hardiness
Very hardy (down to -25 °C)
Origin
Mountain ranges of Europe (Alps, Pyrenees)

Care

Light

Alpine Edelweiss requires full sun exposure to flower generously and maintain its compact form. It dreads shade, which promotes etiolation and reduces flowering. Plant it in an open area without dense plant competition.

Soil

This alpine plant prefers well-drained, gravelly, and poor soil, close to its natural mountain habitat. Enriching the soil promotes etiolation; favor a mineral substrate mixed with little compost. Adding gravel or pumice improves drainage.

Watering

Water moderately during the growing season, letting the soil dry slightly between waterings. Excess stagnant moisture causes root rot. In the mountains, it thrives on natural rainfall; reduce watering from autumn onward.

Pruning and maintenance

No structural pruning is necessary. Simply remove spent flowers after blooming to extend vigor and neat appearance. Clean up dried leaf debris in late winter.

Fertilizing

Apply little fertilizer; light spring feeding is more than sufficient. Excessive nutrients encourage growth at the expense of flowering and weaken the plant. Prefer low-nitrogen fertilizer if needed.

Diseases and pests

Alpine Edelweiss is robust but sensitive to rot in overly moist or poorly drained soils. Ensure good air circulation around the base of the plant. Pest attacks remain rare in appropriate conditions.

Did you know?

Alpine Edelweiss is the floral symbol of Switzerland and even appears on postage stamps; it is so iconic that it has lent its name to several alpine locations. Long ago, mountain dwellers would pick its pretty white star-shaped flowers to give away or dry them, which threatened certain wild populations, hence the picking ban in several countries.

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.