How to grow Anise Hyssop in the UK
Agastache foeniculum
Anise Hyssop (Agastache foeniculum) is a herb that grows well in UK gardens. Liquorice-anise scent, brilliant cut flower and tea herb. Bee/butterfly magnet — pollinator essential. This guide covers when and how to sow Anise Hyssop, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Anise Hyssop
Sowing and harvest window through the year (UK):
Jan | Feb | Mar Sow | Apr | May Plant | Jun | Jul Harvest | Aug Harvest | Sep Harvest | Oct Harvest | Nov | Dec |
Soil, position & care
- Soil
- Light, free-draining soil; many herbs resent winter wet
- Soil pH
- 6.0–7.5
- Position
- Full sun
- Sowing depth
- Surface to 1 cm
- Spacing
- 20–30 cm apart
- Sowing
- Sow spring; short-lived perennial that self-seeds
- Growing
- Easy in free-draining soil; loved by bees
- Harvest & upkeep
- Cut back after flowering
- Watch for
- Trouble-free; powdery mildew in drought
Companion planting for Anise Hyssop
No specific companion notes for this plant.
Add Anise Hyssop to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Anise Hyssop FAQs
When should I sow Anise Hyssop in the UK?
In the UK, sow Anise Hyssop in March. Sowing across these months gives the plant the right soil temperature and day length to establish well.
How much sun does Anise Hyssop need?
Anise Hyssop prefers full sun (6+ hrs direct).
When is Anise Hyssop ready to harvest?
Anise Hyssop is typically ready to harvest in July, August, September, October in the UK.
Is Anise Hyssop easy to grow?
Easy — good for beginners. Liquorice-anise scent, brilliant cut flower and tea herb. Bee/butterfly magnet — pollinator essential.