How to grow Dill in the UK
Anethum graveolens
Dill (Anethum graveolens) is a herb that grows well in UK gardens. Self-seeds happily once established. Don't grow next to fennel — they cross-pollinate. This guide covers when and how to sow Dill, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Dill
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Sow | May Sow | Jun Harvest | Jul Harvest | Aug Harvest | Sep Harvest | Oct | Nov | Dec |
Soil, position & care
- Soil
- Light, free-draining soil; many herbs resent winter wet
- Soil pH
- 6.0–7.5
- Position
- Warm, sunny, sheltered spot (mints tolerate part shade)
- Sowing depth
- 1 cm
- Spacing
- 20 cm apart
- Sowing
- Sow direct Apr–Jul; dislikes transplanting
- Growing
- Sun and shelter; can bolt in drought
- Harvest & upkeep
- Pick leaves young; harvest seed heads when brown
- Watch for
- Aphids
Companion planting for Dill
Grows well with:
Keep apart from:
Add Dill to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Dill FAQs
When should I sow Dill in the UK?
In the UK, sow Dill in April, May. Sowing across these months gives the plant the right soil temperature and day length to establish well.
What grows well with Dill?
Dill grows well alongside Broccoli, Brussels Sprout, Cabbage, Cauliflower, Cucumber, Kale. Good companions can deter pests, attract pollinators or make better use of space.
What should you not plant near Dill?
Keep Dill away from Carrot, Florence Fennel, Fennel, which can compete with it or share pests and diseases.
How much sun does Dill need?
Dill prefers full sun (6+ hrs direct).
When is Dill ready to harvest?
Dill is typically ready to harvest in June, July, August, September in the UK.
Is Dill easy to grow?
Easy — good for beginners. Self-seeds happily once established. Don't grow next to fennel — they cross-pollinate.