Tetra

Dill

45d to harvest

Fragrant, feathery fronds of Tetra Dill unfurl with a vivid, cool-green glow and a bright, unmistakable aroma that fills the garden air. The foliage is finely divided yet wonderfully tender, with a clean, sweet-herbal flavor that shines fresh and stays lively when used to season. Grow Tetra for abundant, quick harvests—ideal for spooning into salads, stirring into sauces, and pickling for a classic dill character.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Milestone	Date
Start Indoors	—
Climate	Frost-Free Climate
Transplant / Sow Outdoors	Oct 1st
Harvest Begins	Nov 15th
Harvest Ends	Feb 28th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	40
Harden Off (days)	Not Required

Frequently Asked Questions

How do I manage powdery mildew on Anethum graveolens (dill) in a home garden?

Powdery mildew often shows up on dill as a white, dusty coating on leaves, especially during humid, still weather. Improve airflow by thinning plants to about 6–8 in (15–20 cm) apart and water at the soil line instead of wetting foliage. At the first signs, remove the worst leaves and use a labeled fungicide safe for edible herbs, following the product directions.

What watering schedule and soil moisture level should I maintain for Anethum graveolens during its main growth?

During active growth, keep the top 1 in (2–3 cm) of soil consistently lightly moist—aim for even moisture rather than soaking and drying out. Water when the surface starts to dry, typically about 1–2 times per week depending on heat and soil texture. Avoid waterlogged beds, because dill (Apiaceae) does poorly in consistently soggy soil.

How can I tell when Anethum graveolens (dill) is ready to harvest?

For leaf harvest, start cutting once plants reach roughly 8–12 in (20–30 cm) and the foliage is abundant, usually around 35–45 days from sowing. For seed harvest, wait until the flower heads turn brown and the seeds easily loosen from the umbels, then cut and dry the heads for a few days before storing.