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Woodland horsetail

Equisetum sylvaticum · Equisetaceae

The gardener's calendar

The right move for September

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

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ID card

Foliage
Deciduous, light green
Adult size
30 to 60 cm in height
Growth
Fast and vigorous
Hardiness
Very hardy, down to -20 °C
Origin
Temperate and boreal regions of Europe and Asia
Soil type
Moist, well-drained, slightly acidic

Care

Watering

Wood horsetail appreciates a constantly moist environment, without becoming waterlogged. Keep the soil fresh, especially during hot periods. Reduce watering slightly in winter, but don't let the soil dry out completely.

Light exposure

Position your horsetail in partial shade or under indirect light. It tolerates shaded forest areas. It can handle partial sun, but prefers environments where light intensity is moderate.

Pruning and cutting

Cut or trim back faded or damaged fronds in spring before new growth appears. No rigorous pruning necessary. Remove dead stems at the end of winter to encourage clean growth.

Soil

Choose soil rich in organic matter, slightly acidic and well-drained yet moist. Amending with compost or peat improves structure. Avoid overly chalky soils.

Fertilizer

A moderate application of balanced fertilizer in spring is sufficient. Horsetail generally thrives in soil well-enriched with humus. No need for excessive or frequent fertilization.

Diseases and pests

Wood horsetail is very hardy and rarely susceptible to diseases. Monitor soil moisture to prevent root rot from standing water. No significant pests typically target it.

Did you know?

Horsetail is one of the oldest forms of terrestrial plant life: its fossil ancestors date back more than 300 million years and could reach several meters in height. Rich in natural silica, it was once used in the Middle Ages to polish precious metals and wood, which is why one of its old names was the "horse's tail" used by craftsmen.

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.