Mammoth Dill (Anethum graveolens) is a tall, vigorous, and highly aromatic variety known for its large umbrella-shaped flower heads and lush feathery foliage. This fast-growing dill is ideal for outdoor gardens, raised beds, and wide-row planting due to its height and high productivity.
This Non-GMO variety grows best in full sun and well-drained soil, producing abundant leaves followed by oversized blooms. Mammoth Dill is perfect for gardeners who want a robust plant with strong growth, continuous leafy production, and large flowering heads suitable for long-season harvesting.
Features
- Tall and vigorous dill variety with strong aroma
- Produces large feathery leaves and oversized flower umbels
- Non-GMO, natural and untreated seed variety
- Excellent for wide-row planting and outdoor beds
- Fast growing with continuous leafy harvest
- Tolerant of warm weather and full sunlight
Specifications
- Seed Type: Natural, untreated, Non-GMO annual
- USDA Zones: Suitable for Zones 3–10
- Sun Requirement: Full sun (6–8 hours daily)
- Best Growing Season: Spring through early Summer
- Germination Time: 7–21 days
- Soil Requirement: Loose, well-drained, moderately fertile soil
- Plant Height: Tall growth approx. 36–60 inches
- Harvest Time: 40–70 days after sowing
- Growth Habit: Large leafy annual with giant flower heads
- Ideal For: Wide-row planting, raised beds, outdoor gardens, and containers
Planting Guide
- Direct sow outdoors; Mammoth Dill prefers not to be transplanted
- Sow seeds 1/4 inch deep and lightly cover with soil
- Keep soil gently moist until germination occurs
- Provide full sun for strong foliage and flowering
- Thin seedlings to 12–18 inches apart for tall growth space
- Reduce heavy watering once plants are established to prevent weak stems
- Begin harvesting leaves when plants reach 8–12 inches in height
- Let flower heads mature fully if seed collection is desired