Anthriscus cerefolium aka Cow Parsley

Anthriscus cerefolium is chervil, also known as French parsley. This herb belongs to the Apiaceae family. Its native range spans east-central Europe to northern and northwestern Iran. It now grows in many regions beyond that range. These include northern parts of North America. Chervil grows as an annual in most gardens. In mild areas, it can live as a biennial.

The plant grows fast and has an upright, spreading form. Garden plants reach about 1–2 feet [0.3–0.61 metres] tall. They spread about 1–1.6 feet [0.3–0.5 metres] wide. RHS gives a lower height range, but also describes plants near 2 feet [0.6 metres]. The green stems have a scent. Light green leaves give the plant a fine, fern-like look. They are two or three times pinnate, with small, oval leaflets. Leaves may be flat or curled. Their mild taste recalls parsley with a hint of anise.

Small white flowers open from late spring into summer. They form umbels about 0.08–0.23 feet [0.025–0.07 metres] across. Each flower has about five petals. Bees, butterflies, and other pollinators visit for nectar and pollen. The flowers and seeds are edible, as well as the leaves. Chervil suits herb beds, pots, and small groups in borders. Its fine leaves also fit cottage and informal gardens. It can grow alongside radishes and lettuce.

Chervil prefers cool weather and moist soil that drains well. It grows in full sun or part shade. It accepts clay, loam, sand, and chalk soils. Acid, neutral, and alkaline soils can all suit it. Water during dry spells to help delay early flowering. Sow seed in place or in pots in spring or fall. The seeds need light to sprout, and plants transplant poorly. RHS rates its hardiness as H4. PFAF lists USDA zones 6–9. Slugs can damage plants. Snails and caterpillars may also eat young growth. RHS reports few disease problems.

Use the leaves fresh in salads, soups, sauces, and butter. They also season fish, poultry, and vegetables. Drying or long cooking weakens their mild flavour. Leaves can be ready about eight weeks after sowing. Regular picking helps the plant make new leaves. PFAF also lists the root as edible. Chervil has a history of medicinal use. ASPCA lists it as non-toxic to dogs, cats, and horses. PFAF reports no known hazards.