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Sabulina tenuifolia

Sabulina tenuifolia · Caryophyllaceae

The gardener's calendar

The right move for September

Ideal time to plant sabulina tenuifolia: 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, fine and thread-like
Flowering
Spring to early summer (April to June)
Adult size
10 to 20 cm tall, compact habit
Hardiness
Very hardy, down to -15°C
Origin
Alps and mountains of central Europe
Soil type
Well-drained, chalky, poor to moderately fertile

Care

Sunlight

Place Sabulina tenuifolia in full sun for optimal growth and abundant flowering. It tolerates sunny and bright situations all day long. This alpine plant appreciates exposed, well-ventilated locations.

Soil and drainage

Choose very well-drained, light, and preferably chalky soil. This small alpine perennial hates waterlogged conditions and heavy soils. Improve your soil with gravel or coarse sand to ensure optimal drainage.

Watering

Water moderately during the active growing period, allowing the surface to dry between waterings. In winter, reduce watering significantly—this mountain plant prefers to stay dry. Absolutely avoid letting water pool around the collar of the plant.

Pruning and maintenance

No strict pruning is necessary. Simply remove spent flowers after flowering to encourage extended blooming. Clean up any dead or damaged leaves in spring to maintain the appearance of the clump.

Fertilizing

This poor-soil plant requires little fertilization. A light application of balanced fertilizer in spring is plenty. Avoid overly rich fertilizers that would promote excessive foliage development at the expense of flowering.

Diseases and pests

Sabulina tenuifolia is rarely affected by diseases if drainage is good. Powdery mildew can occur in overly humid or poorly ventilated conditions. Watch for collar rot during damp winters and ensure good air circulation around the plant.

Did you know?

Sabulina tenuifolia (formerly classified as Minuartia tenuifolia) is a relic of the ice ages that has adapted to the extreme conditions of alpine mountains. Its Latin name 'tenuifolia' literally means 'with thin leaves,' referring to its delicate thread-like foliage that makes it a small gem for rock gardens. It's a favorite plant for alpine garden enthusiasts and saxifrage collectors.

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.