How to grow Mizuna in the UK
Brassica rapa nipposinica
Mizuna (Brassica rapa nipposinica) is a vegetable that grows well in UK gardens. Spicy salad leaf — feathery and peppery. Cut-and-come-again — keeps regrowing for months. This guide covers when and how to sow Mizuna, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Mizuna
Sowing and harvest window through the year (UK):
Jan | Feb | Mar Sow | Apr | May Sow · Harvest | Jun Harvest | Jul Harvest | Aug Harvest | Sep Harvest | Oct Harvest | Nov Harvest | Dec |
Soil, position & care
- Soil
- Fertile, free-draining soil enriched with garden compost
- Soil pH
- 6.5–7.0 (neutral)
- Position
- Open, sunny site
- Sowing depth
- 1 cm
- Spacing
- Thin to 20 cm
- Sowing
- Sow Mar–Sep; very fast cut-and-come-again brassica
- Growing
- Keep weed-free and evenly watered; mulch to hold moisture
- Harvest & upkeep
- Pick leaves regularly; mild mustard flavour
- Watch for
- Flea beetle, slugs
Companion planting for Mizuna
Grows well with:
Keep apart from:
Add Mizuna to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Mizuna FAQs
When should I sow Mizuna in the UK?
In the UK, sow Mizuna in March, May. Sowing across these months gives the plant the right soil temperature and day length to establish well.
What grows well with Mizuna?
Mizuna grows well alongside Beetroot, Celery, Dill, French Marigold, Pot Marigold, Mint. Good companions can deter pests, attract pollinators or make better use of space.
What should you not plant near Mizuna?
Keep Mizuna away from Strawberry, Beef Tomato, Cherry Tomato, which can compete with it or share pests and diseases.
How much sun does Mizuna need?
Mizuna prefers partial sun (3–6 hrs).
When is Mizuna ready to harvest?
Mizuna is typically ready to harvest in May, June, July, August, September, October, November in the UK.
Is Mizuna easy to grow?
Easy — good for beginners. Spicy salad leaf — feathery and peppery. Cut-and-come-again — keeps regrowing for months.