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Rumex arifolius

Rumex arifolius · Polygonaceae

The gardener's calendar

The right move for September

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

JFMAMJJASOND Planting

ID card

Common name
Alpine Sorrel
Family
Polygonaceae
Type
Perennial herbaceous plant
Foliage
Deciduous
Flowering
June to August
Adult size
30 to 60 cm in height
Hardiness
Very hardy (down to -15°C)
Origin
Alpine and subalpine regions of Europe

Care

Exposure

Rumex arifolius prefers a sunny to partially shaded location. An exposure to morning sun promotes beautiful growth. In very hot climates, light afternoon shade can prevent excessive drying.

Watering

Water regularly during the growing season (spring and summer), keeping the soil lightly moist without waterlogging. Significantly reduce watering in winter. Once established, this plant tolerates drought well, though it appreciates some root moisture.

Soil

This alpine plant prefers well-drained soil that is fairly fresh and rich in organic matter. Light to neutral chalky soils work perfectly. Adding compost at planting improves structure and fertility.

Fertilizing

A moderate application of balanced fertilizer in spring is sufficient. Avoid excess nitrogen, which would stimulate overly vigorous growth at the expense of flowering. Bone meal or organic fertilizer in late winter is more than adequate.

Pruning and maintenance

Cut back faded stems after flowering to encourage branching or extend the blooming period. Remove dead leaves in late winter or early spring. Light pruning at the start of the season maintains a compact and airy shape.

Diseases and pests

Rumex arifolius is generally robust and rarely affected by pests. In excessively humid and poorly ventilated conditions, watch for mold or collar rot. Good drainage and air circulation prevent most fungal problems.

Did you know?

Alpine sorrel has historically been consumed by alpine mountain populations for its slightly tangy flavor. Its small rounded leaves and characteristic reddish stems make it a botanical landmark appreciated by hikers at high altitude.

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.