How to grow Rhubarb in the UK
Rheum rhabarbarum
Rhubarb (Rheum rhabarbarum) is a vegetable that grows well in UK gardens. Don't pull stems in year 1 — let it establish. Force with a bucket in Jan for early sweet stems. This guide covers when and how to sow Rhubarb, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Rhubarb
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Harvest | May Harvest | Jun Harvest | Jul Harvest | Aug | Sep | Oct | Nov Plant | Dec |
Soil, position & care
- Soil
- Deep, rich, moisture-retentive soil
- Soil pH
- 6.0–6.8
- Position
- Open, sunny site
- Sowing depth
- Plant crown with the bud at soil level
- Spacing
- 90 cm apart
- Sowing
- Plant a dormant crown autumn–spring
- Growing
- Mulch generously; never let it dry out
- Harvest & upkeep
- Do not pull in year 1; pull (don’t cut) stems Apr–Jun, leaving some; leaves are poisonous
- Watch for
- Crown rot; generally robust
Companion planting for Rhubarb
No specific companion notes for this plant.
Add Rhubarb to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Rhubarb FAQs
How much sun does Rhubarb need?
Rhubarb prefers partial sun (3–6 hrs).
When is Rhubarb ready to harvest?
Rhubarb is typically ready to harvest in April, May, June, July in the UK.
Is Rhubarb easy to grow?
Easy — good for beginners. Don't pull stems in year 1 — let it establish. Force with a bucket in Jan for early sweet stems.