Dill

Growing Conditions

Dill tolerates a wide range of temperatures and grows in both cool and warm seasons, though leaf quality declines once plants flower. It prefers full sun and well-draining soil. Plants grow 3–4 feet tall and benefit from a sheltered location or light staking in windy gardens.

Do not plant near fennel — the two cross-pollinate and the resulting seed is flavorless. Keep them on opposite sides of the garden.

Cold climates: Direct sow in early spring. Succession sow every 3–4 weeks for continuous leaf harvest. Allow some plants to go to seed for pickling heads and self-sown volunteers.

Warm climates: Dill grows year-round in mild climates. Spring and fall are best for leaf production.

Sowing & Planting

Direct sow on the soil surface or barely covered, ¼ inch deep. Dill has a taproot and does not transplant reliably — always direct sow. Thin to 12 inches. Seeds germinate in 7–14 days.

Care & Maintenance

Dill is low-maintenance. Water during dry spells; established plants tolerate drought reasonably well. No fertilizing needed in average soil. Allow some plants to flower and set seed — they self-sow readily and provide seed for pickling and next year’s volunteers.

Common Problems

Dill is largely pest and disease free. Tomato hornworm and black swallowtail butterfly larvae (pretty green and black caterpillars) feed on dill — decide whether to tolerate or remove; the larvae become beneficial butterflies. Aphids occasionally. Dill’s main challenges are wind damage to tall plants and cross-pollination with fennel.

Harvest

For leaves (dill weed): harvest once plants reach 8–10 inches tall by cutting outer stems. For pickling heads: harvest flower umbels when most florets are open but a few are still in bud. For seeds (dill seed): harvest seed heads when seeds turn tan and dry but before they shatter — hang upside down over a paper bag to catch seeds.

Dill leaves do not dry well — flavor fades significantly. Freeze fresh dill in small portions for better quality than dried.

Varieties

Fernleaf dill is a compact, slow-bolting dwarf variety (18 inches) suited to containers and small spaces. Mammoth dill is tall with large seed heads — good for pickling. Bouquet is the standard garden variety. Dukat has high oil content and excellent flavor for fresh use. For most home gardens, Bouquet or Mammoth is the practical choice.