Beetroot is a relatively quick-growing root crop compared to many other vegetables. The exact time it takes to grow depends on the variety, sowing date, and growing conditions.
From sowing to harvest, beetroot usually takes 8–12 weeks under typical UK growing conditions. In warm weather, some fast-maturing varieties can be ready in as little as 7 weeks, while in cooler spring or autumn sowings it may take up to 16 weeks.
Beetroot seeds usually germinate in 7–14 days, depending on soil warmth. In early spring this can stretch to 3 weeks, while in mid-summer seedlings may appear in just 5 days.