When can I sow beetroot in the UK?

Late March under cloches in southern England; mid-April to early May outdoors elsewhere. Successional sowings every 3 weeks until early July give continuous picking. Late July sowings of fast varieties crop into November. Avoid sowing into cold wet soil; beetroot wants soil above 8°C to germinate.

Why are my beetroot plants bolting (flowering)?

A cold spell after sowing triggers bolting — the plant thinks it's been through a winter. Choose Boltardy (the only truly bolt-resistant cultivar) for sowings before May. Other causes: drought stress, planting too close, or the variety isn't bolt-resistant. Once a plant bolts, pull it; the root will be small and woody.

Why do I get multiple seedlings from one beetroot seed?

Each beetroot seed is actually a corky cluster containing 2–4 individual seeds. They germinate as a tight clump. Once seedlings are 5 cm tall, thin to the strongest single seedling per station — use scissors to snip the unwanted ones at soil level rather than pulling (which disturbs the keeper). Monogerm varieties (single-seed clusters) exist (Boltardy is sometimes available as monogerm) and skip this step.

How big should I let my beetroot grow?

5–7 cm across — golf-ball to tennis-ball size — is the sweet spot for flavour and texture. Pull when they reach this size; smaller is sweeter but yields little; bigger gets woody and coarse. Pull alternate plants from a row first to give the remainder room to keep swelling for a second harvest a fortnight later.

Can I grow beetroot in containers in the UK?

Yes — a 30 cm deep container grows 6–8 plants. Use peat-free multi-purpose compost; water consistently; thin to one per station. Container beetroot is sweeter than ground-grown because you control watering. Round varieties (Boltardy, Pablo F1) suit containers best.

Are beetroot leaves edible?

Yes — the leaves are essentially the same as chard (both are Beta vulgaris in different cultivar groups). Pick young leaves for salads; older leaves cook like spinach. Don't strip the plant though — the leaves are powering the root. Take an outer leaf or two per plant per week.

Beetroot — Grow

Beetroot

Beta vulgaris

vegetable☀️ full-sun🪴 loam📏 small🌡️ RHS H3

📋Quick Facts

Height

0.3-0.5m

Spread

0.1-0.3m

Water

💧💧 Average watering

Hardiness

Zone 2-11

About

Sow beetroot seed direct from late March (under cloches) to July in successional batches every three weeks. Beetroot is hardy (RHS H4–H5) and one of the easiest UK vegetables — the seedlings come up reliably, the roots want little fuss, and a pull-young approach gives sweet tender beets in 10–12 weeks. What looks like a single seed is actually a cluster of 2–4 seeds, so thin seedlings to one per station. Boltardy is the standard for early sowings (truly bolt-resistant); Detroit Globe for main-crop; Chioggia for the striped slice. Pull when 5–7 cm across for the best flavour; once they get to tennis-ball size they coarsen. Store in damp sand for winter eating.

Top tip

Thin seedlings to allow room for bulbs and harvest roots at golf- to tennis-ball size for best texture.

Also known as: Rote Bete, Beetroot, Remolacha, Barbabietola rossa, Rode biet, Beta vulgaris, Beterraba, Burak ćwikłowy

How to grow beetroot

1
Sow direct
Late March under cloches in southern England, mid-April outdoors elsewhere. Successional sowings every 3 weeks until early July give a continuous supply. 2 cm deep, 10 cm apart in rows 30 cm apart.
2
Soak seed (optional)
Soaking beetroot seed in tepid water for an hour before sowing speeds germination. Not essential but useful in cold spring soil.
3
Thin seedlings
Each beetroot seed is actually a cluster of 2–4 seeds — multiple seedlings come up in a tight clump. When seedlings are 5 cm tall, thin to the strongest one per station. The thinnings are edible (toss in salads).
4
Use Boltardy for early sowings
Cold-snap-after-sowing makes most beetroot bolt (run to seed) instead of forming a root. Boltardy is the cultivar bred specifically to resist this. For sowings before late April, choose Boltardy.
5
Water in dry weather
Water deeply once a week if the weather is dry, especially as the roots are swelling. Drought makes them woody and small.
6
Pull young
Pull when roots are 5–7 cm across (golf-ball to tennis-ball size) for the best flavour. Anything larger gets coarse and woody. Pull alternate plants from a row to give the rest room to keep growing.
7
Store for winter
Lift main-crop beets before the first hard frost. Twist (don't cut) the tops off 2 cm above the root — cutting bleeds them. Layer in damp sand in a wooden box; store in a frost-free shed. They keep until April.