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Anethum graveolens Fernleaf Dill

Anethum graveolens Fernleaf Dill is a compact, dwarf variety of the classic dill herb, valued for its lush, finely divided, blue-green foliage and robust aromatic flavor. Growing to about 18 to 24 inches tall with a spread of 12 to 15 inches, this All-America Selections winner is specifically bred for smaller gardens, patio containers, and window boxes where space is at a premium. Unlike standard tall dill, Fernleaf is slow to bolt, providing an extended harvest season of fresh fronds and yellow blooms that add texture and scent to any culinary garden.

 

Culinary and Practical Uses

  • The fresh, feathery fronds are essential for flavoring creamy dips, potato salads, seafood dishes, and traditional gravlax.
  • Seeds and flower heads are widely used in pickling spices to add a pungent, tangy kick to cucumbers and vegetables.
  • Serves as a vital host plant for Black Swallowtail butterfly caterpillars, making it a functional and beautiful addition to pollinator-friendly landscapes.

 

Characteristics

  • Foliage: Soft, feathery, dark blue-green leaves with an intense, clean dill scent; essential for flavoring pickles, seafood, creamy dips, and potato salads.
  • Growth Habit: Bushy, upright dwarf annual that remains tidy and does not require staking; ideal for container gardening and edging.
  • Flowers: Produces large, flat-topped umbels of tiny bright yellow flowers in mid-summer, which serve as a vital nectar source for pollinators and host plants for Swallowtail butterflies.
  • Seeds: Harvested after flower heads turn brown and dry; the flat, oval seeds possess a pungent flavor perfect for pickling spices and baking.

 

Growing Requirements

  • Sun: Thrives in full sun; requires at least 6 to 8 hours of direct sunlight daily for best growth and essential oil production.
  • Soil: Prefers rich, light, well-draining soil with a slightly acidic to neutral pH; protect from heavy clay or waterlogged conditions.
  • Water: Requires consistent moisture; keep soil evenly moist, especially during hot spells, but avoid overwatering to prevent root rot.
  • Spacing: Plant seeds or thin seedlings 9 to 12 inches apart to ensure good air circulation and allow the bushy habit to develop.
  • Maintenance: Harvest leaves frequently to encourage bushy growth; remove flower heads if leaf production is prioritized or allow them to mature to harvest seeds.

 

Shipping Info Fernleaf Dill seeds ship as fresh, high-quality, viable seed in moisture-resistant packets, carefully packaged for stability and protection from damage during transit. Prompt shipping supports reliable germination and seasonally appropriate planting. Sealed packets ensure long-term viability and protect seeds for gardeners and growers

Growing Zones

2b - 11a
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11

Low Temperature

25°F

High Temperature

85°F

Fragrant

Yes

Polinator Required

No

Polinator Friendly

Yes

Flower Color

Yellow Green

Growth Rate

Fast

Soil

Rich, light, well-drained

Moisture

Moderate

Sun Exposure

Full Sun (Can tolerate light shade in very hot climates)

Mature Spread

12 – 15 inches

Mature Height

18 – 24 inches

Bloom Period

Mid-Summer to Late Summer

Pruning Time

Throughout the growing season

Pet Safe

Yes

Perennial / Annual

Annual

Evergreen / Deciduous

Deciduous

Blossomdale
Blossomdale
Blossomdale

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