Herb · Apiaceae
Chervil
Anthriscus cerefolium
Cool weather, a shady spot, and steady water reward you with fine lacy leaves all season.
Partial shade
Every 2–4 days
39–75°F · 4–24°C
40–60 days
Overview
Chervil (Anthriscus cerefolium) is a delicate cooking herb in the carrot and parsley family, Apiaceae, with fine fern-like leaves and a gentle flavor that hints at parsley and anise. It sits at the heart of French cooking and the classic fines herbes blend, where its soft taste shines. Its flavor fades under hard heat, so add it right at the end of cooking.
This is a fast-growing cool-season annual that lives for a single season. Heat is its trigger to bolt: flower stalks shoot up, the leaves turn bitter, and tender growth stops. That cool-weather habit is exactly what makes it such a rewarding spring and fall crop.
Here is where chervil earns a spot many herbs cannot fill. It actually wants partial shade, thriving where sun-lovers sulk, and settles happily into a pot on a cool windowsill or a partly shaded bed. Give it steady moisture and a few small successive sowings, and fresh fines herbes keep coming.
Care
The short version: chervil thrives on cool weather and shade, so direct-sow it in early spring and again in fall, keep the soil evenly moist, and pinch off flower stalks the moment they appear. Give it partial shade and it stays tender far longer than most herbs. Sow a fresh batch every few weeks and you keep fresh fines herbes coming to the kitchen.
Light
Chervil is one of the rare herbs that genuinely wants partial shade. It will take partial sun and even full sun while the weather stays cool, but shade does real work for you here: it slows bolting and keeps the leaves tender. In spring, a spot with afternoon shade is ideal.
Water
Keep the soil evenly moist and never let it dry out. Let chervil get thirsty and it bolts and runs to seed in a hurry. Water it every 2 to 4 days, more often through warm or dry spells. That steady moisture is what keeps the leaves sweet.
Soil
Plant chervil in moist, well-drained loam. It is easygoing about fertility and even tolerates poor ground, so most garden soil works as long as it holds moisture without turning soggy. Aim for a pH of 6.0 to 8.0.
Temperature
This is a cool-weather herb, happiest between 39°F and 75°F (4°C to 24°C). It shrugs off light frost without complaint, then bolts once heat sets in. Plan it as a spring and fall star, not a summer one.
Humidity
Average household humidity of 40% to 60% is plenty, with no number to chase. What matters far more is moist soil paired with moving air, which keeps the lacy foliage clean.
Feeding
Chervil asks for very little. A light, balanced organic feed at planting in spring covers it, and it crops well even in poor soil. Go heavy on the food and it backfires, drawing in aphids.
Pruning
Pinch out flower stalks the moment they form to delay bolting and keep tender leaves coming. Harvest the outer leaves often, too, which drives fresh growth from the center and keeps the plant cropping longer.
Repotting
not_applicable
Size & spacing
Chervil stays small, reaching 12 to 24 inches (30 to 60 cm) tall with a spread of about 12 to 18 inches (30 to 45 cm). Give each plant room so air moves through the fine foliage and the leaves stay dry.
When to plant
Chervil runs on cool weather rather than heat, which makes timing your sowings the whole game. Direct-sow in early spring, sow again in fall, and skip hot midsummer entirely. To keep tender leaves arriving, scatter fresh seed every 3 to 4 weeks.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Direct-sow in early spring and again in fall; cool-season herb that bolts in summer heat, so provide shade and succession-sow every 3-4 weeks.
- Harvest: Cut tender young leaves before flowering; small white five-petaled flowers form in umbels 1-2 inches across, followed by seed.
Hardiness
USDA hardiness zones: 3–10
Temperature: down to -40°C
Troubleshooting
Most chervil trouble traces back to heat or moisture, and the leaves tell you first. Catch the signs early and you can usually coax the plant back into steady cropping.
Bolting
The plant races up flower stalks and quits making tender leaves. Heat and long days flip it from leaf to seed, and dry soil only pushes it faster. To recover, pinch off the stalks, move it somewhere cooler and shadier, keep the soil moist, and sow fresh seed every 3 to 4 weeks. Bolting is the most common chervil setback.
Fix:
- Pinch off emerging flower stalks
- Move to a cooler, shadier location
- Maintain consistently moist soil
- Succession-sow fresh seed every 3-4 weeks for a continuous supply
Aphids
Look for sticky, distorted new growth and tiny clustered insects on the lacy leaves. Aphids gather on the undersides and leave behind sticky honeydew. Knock them off with a strong blast of water and repeat every few days, then ease off the nitrogen feeding, since lush growth pulls them right in.
Fix:
- Rinse aphids off with a strong spray of water
- Repeat as needed
Slugs And Snails
Ragged holes chewed through the leaves point to slugs and snails, with seedlings hit hardest. Watch for silvery slime trails, and expect damage to peak after rain or overnight. Pick the culprits off by hand and clear away the damp debris and hiding spots nearby.
Fix:
- Remove slugs and snails by hand
- Reduce moist hiding spots near plants
Toxicity
Good news for households and pasture alike: cultivated culinary chervil is safe to grow around pets, livestock, and people. The one real danger lives in the wild, where chervil looks much like poison hemlock and other deadly cousins. Never use a foraged plant unless you are certain of what it is.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Not toxic to cats, so a quick nibble of the leaves does no harm.
Dogs None
Safe for dogs, with nothing poisonous if one chews a leaf.
Horses None
Horses can graze near it with no risk from the herb itself.
Rabbits Safe
Rabbits can eat the leaves, and the soft lacy foliage makes a fine occasional green.
Livestock Safe
Cattle, goats, and sheep all handle cultivated chervil without any trouble.
Birds Safe
Backyard birds and poultry can peck at it safely.
People Safe
A kitchen herb made for eating, prized in French cooking for its delicate flavor; the only caution lives in the wild, where toxic lookalikes make sure identification essential.
Chervil closely resembles toxic Apiaceae lookalikes such as poison hemlock; foragers and gardeners must be absolutely certain of plant identity before harvesting wild plants.
Varieties
Only a few named chervil types turn up in seed catalogs, and they vary more in leaf shape than in flavor.
Crispum
Crispum is the curled-leaf type, carrying a subtle, mild flavor in tightly ruffled foliage.
Vertissimo
Vertissimo is a compact, productive selection with dark green flat leaves that crops heavily in a small space.
Plain chervil
Plain chervil is the standard flat-leaf form, the one most grown for the kitchen.
Companions
Chervil grows well beside cool-season crops that share its taste for shade and steady moisture.
How to propagate
Chervil grows from seed alone, and it holds firm opinions about how that seed gets handled.
SeedModerate
Early spring and fall, in cool weather; succession-sow every 3-4 weeks · Seeds germinate in about 10 days at 60°F soil temperature; tender leaves ready to harvest in roughly 6-8 weeks
Chervil is seed-only and moderate in difficulty. Always direct-sow where it will grow, because it forms a taproot and resents being moved. Scatter seed in cool weather, in early spring and again in fall, sowing a fresh batch every 3 to 4 weeks for a steady supply. The seeds need light to sprout, so barely cover them or leave them on the surface and keep the soil evenly moist. Germination comes in about 10 days at 60°F (16°C), with tender leaves ready in roughly 6 to 8 weeks.
Myths
Any lacy, fern-leaved wild plant is safe to use like chervil.
The family is full of dangerous lookalikes, and poison hemlock can pass for chervil at a glance, where getting it wrong can be fatal. Only ever use plants whose identity is certain, and growing your own from known seed is the safest path of all.