How to grow Runner Bean in the UK

Phaseolus coccineus

Runner Bean (Phaseolus coccineus) is a vegetable that grows well in UK gardens. Heavy croppers — pick every 2-3 days or pods get stringy. Soak roots well in dry spells. This guide covers when and how to sow Runner Bean, the soil and position it likes, watering and feeding, companion planting, and when to harvest.

Type

Vegetables

Difficulty

Easy — good for beginners

Position

full sun (6+ hrs direct)

Sow

April

Harvest

July, August, September, October

When to sow & grow Runner Bean

Sowing and harvest window through the year (UK):

Jan

Feb

Mar

Apr

Sow

May

Jun

Plant

Jul

Harvest

Aug

Harvest

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: Sun, sheltered from wind
Sowing depth: 5 cm
Spacing: 15 cm apart up a wigwam
Sowing: Sow indoors Apr or direct late May–Jun
Growing: Water heavily at flowering for good set; mulch
Harvest & upkeep: Pick every 2–3 days to keep cropping
Watch for: Blackfly, slugs; poor set in heat/drought

Companion planting for Runner Bean

Grows well with:

Carrot Celery Courgette Nasturtium Potato Pumpkin Rosemary Spinach Butternut Squash Summer Savory Sweetcorn

Keep apart from:

Chives Florence Fennel Fennel Garlic Leek Onion Shallot Spring Onion

A Three Sisters partner with sweetcorn and squash. Beans fix nitrogen but resent the alliums (onion/garlic) — keep them apart.

Grow Runner Bean this year

Add Runner Bean to your free 12-month plan and get watering & sowing reminders — no sign-up needed.

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Runner Bean FAQs

When should I sow Runner Bean in the UK?

In the UK, sow Runner Bean in April. Sowing across these months gives the plant the right soil temperature and day length to establish well.

What grows well with Runner Bean?

Runner Bean grows well alongside Carrot, Celery, Courgette, Nasturtium, Potato, Pumpkin. Good companions can deter pests, attract pollinators or make better use of space.

What should you not plant near Runner Bean?

Keep Runner Bean away from Chives, Florence Fennel, Fennel, Garlic, Leek, which can compete with it or share pests and diseases.

How much sun does Runner Bean need?

Runner Bean prefers full sun (6+ hrs direct).

When is Runner Bean ready to harvest?

Runner Bean is typically ready to harvest in July, August, September, October in the UK.

Is Runner Bean easy to grow?

Easy — good for beginners. Heavy croppers — pick every 2-3 days or pods get stringy. Soak roots well in dry spells.

More vegetables to grow

Radish Lettuce Cherry Tomato Beef Tomato Cucumber Courgette Dwarf French Bean Garden Pea