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Stellaria palustris

Stellaria palustris · Caryophyllaceae

The gardener's calendar

The right move for September

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

JFMAMJJASOND Planting

ID card

Family
Caryophyllaceae
Type
Perennial herb
Foliage
Deciduous
Flowering
May to July
Adult size
20 to 40 cm in height
Hardiness
Very hardy (down to -15°C)
Origin
Europe, temperate humid regions
Natural habitat
Marshy areas and wet meadows

Care

Watering

Marsh stitchwort loves constantly moist soil. Maintain good moisture levels during the growing period, without creating water stagnation. Reduce slightly after flowering. In naturally marshy soil or near a pond, watering is minimal or even unnecessary.

Light exposure

Place this plant in partial shade or light shade, where it displays its delicate foliage beautifully. It tolerates morning sun but appreciates protection from direct afternoon rays, particularly in warm climates. It thrives in shaded areas of water gardens.

Soil

Favour soil rich in organic matter, moist and well-draining. Regular amendment with compost or potting soil promotes its vigour. This plant performs well in low-lying areas of the garden or near natural water features.

Fertiliser

A moderate application of balanced fertiliser in spring is sufficient. In naturally rich soil, no feeding is necessary. Avoid excessive nitrogen, which would promote foliage at the expense of flowering.

Pruning and maintenance

Cut back lightly after flowering to maintain a compact form and encourage new growth. In late autumn or early winter, cut stems back to ground level. This plant doesn't require strict pruning and needs minimal care.

Diseases and pests

Generally very hardy and rarely prone to disease. In conditions of excessive water stagnation, watch for root rot. Powdery mildew can appear in overly dry or confined atmospheres; improve air circulation. No major pests reported.

Did you know?

Marsh stitchwort is a small, discreet plant often confused with other stitchwort species, but it plays an important ecological role in wet ecosystems by stabilising soil and providing shelter for small arthropods. Its name Stellaria evokes the little star-shaped white flowers that appear each spring. It has long served as an indicator plant for marshy areas in applied ecology.

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.