PlantWhy

Beet

Beta vulgaris · Vegetable

Quick answer: Water: About 1 in per week, evenly moist. Light: Full sun; tolerates light afternoon shade. Soil: Loose, well-drained, free of stones; add compost to heavy clay. Pets: ASPCA lists beet as non-toxic to cats and dogs; mature leaves contain oxalates, so large amounts of leaves are best avoided. If in doubt, ask your vet.

A cool-season root crop that gives two harvests in one: earthy roots and tender greens. It is sown straight into the ground, grows fast and keeps well in cold storage.

Beet
Photo: BriannaWalther, CC BY-SA 3.0 · Wikimedia Commons
💧WaterAbout 1 in per week, evenly moist
☀️LightFull sun
🐾PetsNon-toxic (ASPCA)

Care at a glance

Light
Full sun; tolerates light afternoon shade
Water
About 1 in per week, kept evenly moist
Soil
Loose, well-drained, free of stones; add compost to heavy clay
Temperature
Seeds sprout at 45–85 °F; handles light frost, not hard freezes
Spacing
Thin to 3–4 in apart, rows 12–18 in apart
Container
At least 8 in deep, 2 gallons or more (estimated)
Harvest
50–70 days from sowing; roots 1–3 in across
Lifespan
Grown as an annual (biennial)

When?

Sow outdoors in early to mid spring, a few weeks before your last frost, then every 2–3 weeks for a steady supply. A fall crop can be sown in mid to late summer, up to about 6 weeks before the first hard frost.

Step by step

  1. Soak seed in warm water for a day to help it sprout.
  2. Sow 1/2 in deep, about 2 in apart, in loose, crumbly soil.
  3. Keep the surface moist; a crust on dry soil blocks seedlings.
  4. Each seed cluster gives several sprouts; thin to one plant every 3–4 in and eat the thinnings.
  5. Water evenly through the season; dry spells make roots woody.
  6. Mulch lightly to hold moisture and keep weeds down.
  7. Pull roots at 1–3 in across; snip a few outer leaves as greens along the way.

Common problems

Patchy or poor emergenceSoil crusted or dried out; mulch lightly and water often until seedlings appear.
Small, crowded or misshapen rootsPlants not thinned; thin early to 3–4 in.
Pale winding trails in leavesLeafminers; pick off affected leaves and use row cover.
Round spots with dark edges on leavesLeaf spot disease; remove affected leaves and avoid wetting foliage.

Pets

ASPCA lists beet as non-toxic to cats and dogs; mature leaves contain oxalates, so large amounts of leaves are best avoided. If in doubt, ask your vet.

Related tools

Planting calendarSoil and mulch calculator

Similar plants

RadishCarrotSwiss chard

Sources

This page is general guidance; no pesticide doses are given.