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Chaerophyllum hirsutum

Chaerophyllum hirsutum · Apiaceae

The gardener's calendar

The right move for September

Ideal time to plant chaerophyllum hirsutum: 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
Flowering
Spring (April to June)
Adult size
24 to 40 inches tall
Growth
Fast
Hardiness
Very hardy (down to 5°F/-15°C)
Origin
Central and Eastern Europe
Soil type
Rich, moist and well-drained

Care

Watering

Keep the soil regularly moist without creating waterlogging. Water generously in spring and summer, especially during dry periods. In autumn and winter, reduce watering as the plant has lower moisture needs.

Light exposure

Choose a spot in dappled shade or partial shade. Hairy chervil also tolerates partial sun if the air stays cool and the soil remains moist. Avoid hot, dry exposures.

Soil

Prepare rich, moist and well-drained soil enriched with compost or organic matter. This plant appreciates slightly damp soils, typical of woodland areas or semi-shaded zones.

Pruning

Cut back faded stems after flowering to encourage a attractive shape. In late autumn, cut the plant back to ground level. No formal pruning is necessary; the goal is to promote vigor and remove dead growth.

Fertilizing

Apply balanced fertilizer in spring when growth resumes. Well-decomposed compost generally provides enough nutrients to maintain soil fertility.

Diseases and pests

Hairy chervil is relatively resistant to disease if growing conditions are suitable. Watch for powdery mildew and root rot in case of excessive stagnant moisture. Good drainage and air circulation usually prevent problems.

Did you know?

Hairy chervil, also called 'woodland chervil,' was used in traditional European herbalism for its supposedly tonic and digestive properties. Its scientific name Chaerophyllum means 'joyful leaf' in ancient Greek, testament to the ancients' appreciation for this elegant and generous umbelliferous plant.

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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