Burdock
Arctium lappa
In a typical UK garden, sow outside early April to mid-June, and harvest early September to late March.
When to sow, plant and harvest
Last frost around 20 April, first frost around 31 October.
- Sow outdoors
- early April to mid-June
- Harvest
- early September to late March
Growing facts
- Spacing
- 15 cm apart, rows 60 cm apart
- Square foot
- 4 per square (30 cm squares)
- Sowing depth
- 1 cm
- Ready in
- 100 to 150 days from sowing
- Grows to
- 1 m
- Hardiness
- Hardy to about -15 °C
- Sun
- Full sun
- Crops for
- About 12 weeks
Growing tip
Roots can reach 60 cm or more, so dig deeply or grow in a tall container, and lift them before plants flower.
More roots
Where these figures come from
Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For burdock, we used:
Grow burdock with VegLog
Add burdock to a bed and VegLog reminds you when to sow, plant out and pick, timed to your own town's frost dates.
