🌍 Built for UK, USA, Canada & Worldwide Gardens Free Growing Guides for Every Region Love It or Your Money Back Secure Checkout Instant PDF Download Checked Against RHS, USDA & Agri-Food Canada Data Free Garden Layout Planner
🌍 Built for UK, USA, Canada & Worldwide Gardens Free Growing Guides for Every Region Love It or Your Money Back Secure Checkout Instant PDF Download Checked Against RHS, USDA & Agri-Food Canada Data Free Garden Layout Planner
How to Grow Burdock (Gobo) UK | Regional Planting Calendar
Move through the SoilCommander growing library like a course: keep the navigation in place, open the next lesson, and build your garden plan step by step.
In the UK, burdock (gobo) go in the ground early June to early July.
Burdock (gobo) (Arctium lappa) — biennial.
Timing is the decision that matters most in the UK: there are 4 separate regional sowing windows, ranging from early June in Southern England to early June in Scotland.
Core growing advice on this page is checked against named horticultural and university-extension sources — see References.
NC State Extension recommends sowing cultivated gobo from seed in summer for first-year root harvest by late autumn; a single early-summer window is applied uniformly across all four sub-regions since neither source gives a UK-region-specific gradient.
Midlands - detail & sources
NC State Extension recommends sowing cultivated gobo from seed in summer for first-year root harvest by late autumn; a single early-summer window is applied uniformly across all four sub-regions since neither source gives a UK-region-specific gradient.
Northern England - detail & sources
NC State Extension recommends sowing cultivated gobo from seed in summer for first-year root harvest by late autumn; a single early-summer window is applied uniformly across all four sub-regions since neither source gives a UK-region-specific gradient.
Scotland - detail & sources
NC State Extension recommends sowing cultivated gobo from seed in summer for first-year root harvest by late autumn; a single early-summer window is applied uniformly across all four sub-regions since neither source gives a UK-region-specific gradient.
Sow seed in autumn or early spring, pre-soaked or scarified to improve germination, or sow in a tray and transplant before the tap-root develops (RHS).
Taproot development
3
Develops a long, deep taproot alongside large downy foliage; cultivated gobo is spaced 50-60cm apart (NC State Extension).
First-year root harvest
8
First-year roots are harvested by late autumn before they become too fibrous (RHS; NC State Extension).
Second-year flowering
6
In its second year, unharvested plants produce purplish thistle-like flowerheads followed by characteristic brown burr seedheads (RHS).
When to pick: Harvest the long first-year taproot by late autumn, before it becomes too fibrous; sown from seed in summer with plants spaced 50-60cm (about 2ft) apart (RHS; NC State Extension).
An erect, branching, robust tap-rooted biennial with large downy dull-green foliage and purplish thistle-like flowerheads clustered on leafy branches, followed by characteristic brown seedheads (burrs). Native to Eurasia, including Great Britain and Ireland. Hardiness H4 (hardy through most of the UK, -10 to -5C). Full sun or partial shade. Soil: clay, loam or sand; moist but well-drained; acid, alkaline or neutral pH; east-, south- or west-facing, sheltered. Height 1.5-2.5m, spread 1-1.5m. Biennial, time to maturity 1-2 years, bushy habit. Propagated by seed sown in autumn or early spring, pre-soaked or scarified to improve germination; alternatively sown in a tray and transplanted before the tap-root develops. Generally pest-free and generally disease-free. Grown in cultivation for its long, edible first-year taproot -- known as gobo -- harvested by late autumn before it becomes too fibrous.
1 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.
Frequently Asked Questions
When should I sow burdock (gobo) in the UK?
In Southern England, from early June. In Scotland, wait until early June. Treat these as a guide rather than a fixed date — the governing rule is to sow only once frost risk has passed and temperatures are reliably warm enough.
When do I sow burdock (gobo)?
Sow early June to early July.
What soil pH do burdock (gobo) need?
A pH of about 6–7.5. That span reflects genuine variation between the authorities we cite rather than a single agreed figure — the References section lists each source's exact range.
What problems affect burdock (gobo)?
Our data links 1 disease and 1 pest to this crop. See the sections above for each one and how to manage it.
Plan next season before the problems start
Most of the advice on this page comes down to timing and spacing — sowing at the right moment, rotating beds, and giving plants enough airflow. The UK Garden Planner lays your plot out month by month so those decisions are already made before the season starts.
UK vegetable growing guides · Checked against RHS & Met Office guidance
Every SoilCommander guide is written and maintained by our editorial team for real UK growing conditions, and reviewed against Royal Horticultural Society growing advice and Met Office climate data before publication.
Sketch your exact plot shape, pick your UK crops, and get a spacing-accurate bed layout with companion pairings, a rotation plan and month-by-month sowing dates — every fact sourced from RHS and Garden Organic.
