Rode biet

Beta vulgaris

Engels: Beetroot

vegetableAmaranthaceaeEetbaar

Rode biet (Beta vulgaris) is a edible vegetable from the Amaranthaceae family that grows up to 60cm tall. This plant thrives in full sun to partial shade and requires moderate maintenance. Blooms in summer with yellow flowers and attracts bees.

Hoogte

30–60 cm

Breedte

20–30 cm

Zonligging

full sun, partial shade

Waterbehoefte

moderate

Grondsoort

loam, sandy soil

Onderhoud

moderate maintenance

Bloeitijd

summer

Bloemkleuren

yellow

Ecologische waarde

Trekt bijen aan

Verzorgingskalender

Taak	Jan	Feb	Mrt	Apr	Mei	Jun	Jul	Aug	Sep	Okt	Nov	Dec
🌱Planten
💧Bemesten

Care tips

Planting

Beetroot thrives in full sun or partial shade and prefers well-drained loam or sandy soil with a pH between 6.0 and 7.0. Before sowing, prepare the bed by digging over the soil to a spade's depth and removing stones, which can cause forked or misshapen roots. Work in well-rotted compost or garden manure a few weeks before planting, but avoid fresh manure as it encourages leafy growth at the expense of roots. Sow beetroot directly outdoors from April through June once the soil has warmed to at least 7°C. Earlier sowings benefit from cloche protection or fleece if late frosts threaten. Sow seeds 2–3 cm deep in drills spaced 30 cm apart. Beetroot "seeds" are actually clusters containing several seeds, so expect multiple seedlings to emerge from each sowing point. Space seeds about 10 cm apart along the row to reduce the need for heavy thinning later. Water the drills gently after sowing to settle the soil around the seeds. Germination typically takes 10–14 days. Once seedlings have two true leaves, thin them to a final spacing of 10 cm for smaller beets or up to 15 cm for larger roots, leaving the strongest seedling at each station. You can eat thinned seedlings as microgreens. For a continuous harvest, sow small batches every three weeks until late June. Early sowings (April–May) are ready in 10–12 weeks; later sowings may take slightly longer. Keep the soil consistently moist during germination and early growth to prevent the roots from becoming woody or splitting.

Pruning

Beetroot does not require pruning in the traditional sense, as it is grown as an annual vegetable for its swollen root. The foliage naturally dies back once you lift the crop, so there is no seasonal cutting back or shaping involved. However, there are a few leaf-management tasks that will improve your harvest and plant health. As the plants grow, remove any yellowing, damaged, or diseased outer leaves by snapping or cutting them off at the base. This improves air circulation around the crop and reduces the risk of fungal issues such as downy mildew or leaf spot, particularly in damp summers. Avoid removing too many healthy leaves at once, as the plant needs them for photosynthesis and root development. A good rule is to leave at least four to six healthy leaves per plant throughout the growing season. If you notice any plants bolting—sending up a tall flower spike prematurely, usually triggered by cold snaps in spring or prolonged dry spells—remove the entire plant promptly. Bolted beetroot becomes woody and inedible, and leaving the flower stalk in place diverts energy away from neighbouring plants. Bolting is more common with early sowings; choosing bolt-resistant varieties and sowing after mid-April reduces the risk. At harvest time, twist off the leafy tops about 5 cm above the crown rather than cutting them with a knife. Cutting can cause the root to "bleed" and lose colour and flavour during storage. The twisted-off leaves are edible and can be cooked like chard. There are no specific months for this work—it happens as needed from late June onwards, depending on your sowing schedule.

Maintenance

Beetroot has moderate water needs and performs best with consistent moisture throughout the growing season. Water regularly during dry spells, aiming for about 2–3 cm per week. Irregular watering—long dry periods followed by heavy soaking—can cause roots to split or develop tough, fibrous rings. Mulching around plants with a 5 cm layer of compost or well-rotted manure in late spring helps retain soil moisture, suppress weeds, and keep roots cool during hot weather. Feeding should be light and balanced. Beetroot is not a heavy feeder, and too much nitrogen encourages lush leaf growth at the expense of root development. If your soil is reasonably fertile, a single application of a general-purpose granular fertiliser (such as Growmore or blood, fish and bone) in March or April before sowing is usually sufficient. Avoid high-nitrogen feeds. On poorer soils, a light side-dressing of the same fertiliser in early summer can be beneficial, but this is rarely necessary on well-prepared ground. Beetroot is generally trouble-free, but watch for aphids on young leaves in early summer; a strong jet of water or insecticidal soap usually controls them. Leaf miners occasionally create pale, winding tunnels in the foliage—pick off and destroy affected leaves. Bolting, as mentioned, is the main cultural problem and is best prevented by timely sowing and consistent watering. Beetroot is fully hardy and can tolerate light frosts, which actually improve flavour. You can leave late-summer sowings in the ground under a thick straw mulch and lift roots as needed through autumn and into early winter, provided your soil drains well and doesn't become waterlogged.