How to grow Spinach in the UK
Spinacia oleracea
Spinach (Spinacia oleracea) is a vegetable that grows well in UK gardens. Bolts in heat — sow spring or autumn for best results. Perpetual spinach is forgiving. This guide covers when and how to sow Spinach, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Spinach
Sowing and harvest window through the year (UK):
Jan | Feb | Mar Sow | Apr Sow | May Harvest | Jun Harvest | Jul | Aug Sow | Sep Harvest | Oct Harvest | Nov | 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
- 2 cm
- Spacing
- 15 cm apart
- Sowing
- Sow Mar–May and Aug–Sep; bolts in summer heat/drought
- Growing
- Keep weed-free and evenly watered; mulch to hold moisture
- Harvest & upkeep
- Pick outer leaves regularly
- Watch for
- Downy mildew, birds, slugs
Companion planting for Spinach
Grows well with:
Add Spinach to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Spinach FAQs
When should I sow Spinach in the UK?
In the UK, sow Spinach in March, April, August. Sowing across these months gives the plant the right soil temperature and day length to establish well.
What grows well with Spinach?
Spinach grows well alongside Cabbage, Dwarf French Bean, Radish, Runner Bean, Strawberry. Good companions can deter pests, attract pollinators or make better use of space.
How much sun does Spinach need?
Spinach prefers partial sun (3–6 hrs).
When is Spinach ready to harvest?
Spinach is typically ready to harvest in May, June, September, October in the UK.
Is Spinach easy to grow?
Easy — good for beginners. Bolts in heat — sow spring or autumn for best results. Perpetual spinach is forgiving.