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Rough chervil

Chaerophyllum temulum · Apiaceae

The gardener's calendar

The right move for September

Ideal time to plant rough chervil: 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
April to June, white to pink flowers
Mature height
60 to 100 cm tall
Growth
Fast
Hardiness
Very hardy (-15°C)
Origin
Western and central Europe
Soil type
Fresh, well-draining, slightly alkaline
Life cycle
Biennial or annual

Care

Watering

Keep the soil fresh and moist regularly, particularly during spring growth and dry periods. Avoid waterlogging which promotes rot. Naturally moist meadow or woodland soil will recreate its ideal conditions.

Exposure

Prefer partial shade or bright light without intense direct sun. This plant tolerates shaded areas of natural or wooded gardens well. It can also thrive in full sun if the soil remains sufficiently moist.

Soil Preparation

Enrich the soil with compost or well-decomposed organic matter. Adequate drainage is essential to prevent water stagnation. Nodding chervil appreciates slightly alkaline or neutral soils.

Pruning and Cutting

Remove faded flowers to encourage prolonged flowering and prevent excessive self-seeding. Leave a few ripe umbels if you want the plant to self-seed naturally the following year. Cut back to ground level after frost in late autumn.

Fertilizing

A spring surface application of compost is generally sufficient. Avoid excess nitrogen which would promote lush foliage at the expense of flowering. Natural meadow plants rarely need it.

Diseases and Pests

Generally robust, nodding chervil mainly fears stagnant humidity which can cause root rot or fungal issues. Watch for aphids in early season, controllable by strong water spray. Good air circulation prevents most problems.

Did you know?

Nodding chervil gets its common name from its naturally nodding and graceful habit. Historically, it was confused with other wild Apiaceae; only careful botanical observation can distinguish it from edible true chervil. Its delicate flower lace attracts pollinators and beneficial insects, making it valuable for ecological gardens.

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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