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Cherleria sedoides

Cherleria sedoides · Caryophyllaceae

The gardener's calendar

The right move for September

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

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ID card

Foliage
Evergreen, fleshy and arranged in rosettes
Flowering
Summer (June to August), white or pink flowers
Mature size
5 to 10 cm tall, 15 to 30 cm spread
Growth
Slow
Hardiness
Very hardy, down to -15 °C
Origin
Mountains of South and Central Europe
Soil type
Well-drained, stony or rocky, poor to moderate
Light requirements
Full sun to partial shade

Care

Watering

Water moderately during the growing season and reduce watering in winter. Cherleria sedoides dislikes excess moisture; let the soil dry between waterings. In mountain conditions, it benefits from natural water from precipitation and the natural drainage of rocky slopes.

Exposure

Prefer full sun for compact growth and abundant flowering. It tolerates light partial shade in warm climates. Avoid deep shade, which promotes etiolation and reduces flowering.

Soil and drainage

Essentially well-drained and mineral: succulent potting mix, coarse sand, gravel. Add perlite or small stones to improve drainage. Rich or moist soil causes root rot and etiolation.

Pruning and cleanup

Remove spent flowers and dead rosettes to encourage branching. No drastic pruning is needed; the plant naturally maintains a dense, low-growing form. Remove debris and parts damaged by frost or drought.

Fertilizing

Low fertilizer needs; a light application in spring is sufficient. Dilute a balanced or succulent-specific fertilizer to very weak strength. Excess nitrogen causes soft foliage and reduces the plant's robustness.

Pests and diseases

Generally very healthy. Watch out for root rot in soil that is too wet or poorly drained. Occasionally inspect for mealybugs or aphids; good drainage and air circulation are sufficient for prevention.

Did you know?

Cherleria sedoides, formerly classified in the genus Minuartia, is a glacial relic of the Alpine mountains and the Apennines. This small creeping plant has conquered scree slopes and rocky crevices, where it thrives thanks to its spreading root system and fleshy leaves that conserve water. It is emblematic of botanical resilience in the face of the extreme conditions of high mountains.

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.