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Potatoes

Solanum tuberosum

A pile of pale yellow potatoes with one cut in half to show the creamy flesh
Open the full interactive potatoes guide →

⚡ Quick start

  • Buy certified seed potatoes — never plant supermarket potatoes
  • Chit Feb–Mar: stand rose-end up in egg boxes in a cool light room
  • Plant out Mar–May once shoots reach 2–3cm
  • Plant 10–15cm deep, shoot-side up, in rich well-drained soil
  • Earth up regularly as shoots emerge — keeps tubers green-free
  • Water deeply during dry spells especially once in flower
  • First earlies ready Jun–Jul when flowers open; lift a test plant first
  • Maincrop: wait until foliage yellows, then lift on a dry day
🌱 SowFeb–May (chitting)
🌾 HarvestJun–Oct
☀ PositionFull sun
📐 Spacing30cm sets
DifficultyEasy

⚡ Quick facts

Difficulty
Easy
Crop type
Tuber
Position
Full Sun
Soil
Rich, Well Drained
Container friendly
Yes — potato bags
Greenhouse recommended
No
Outdoor suitable
Yes — all UK regions
Frost hardy
No — earth up to protect

01 About

Britain's most beloved crop. Grow your own and you'll never go back — the flavour difference between homegrown and shop-bought is remarkable. There is a variety for every use: waxy salad types that hold together, floury bakers that collapse into fluffiness, and richly flavoured heritage types that supermarkets never stock.

02 What to Grow

A trug and table full of red, white, yellow and purple potatoes in a garden

Potatoes fall into four groups — First Earlies, Second Earlies, Maincrop, and Salad types — each with different harvest timing and uses. First Earlies are fastest: 60–80 days from planting to new potato heaven. Maincrops take longest but give the biggest yields and store well. Salad types are waxy, thin-skinned and best eaten fresh. Choosing the right type for your soil, space, and kitchen use makes all the difference.

03 Varieties

The number of varieties shown for each crop is based on UK consumption data (2025/26) — the more popular the crop, the more variety choices we include.

⚡ First Earlies

Harvest Jun–Jul. Fastest crop — 60–80 days. New potato flavour at its freshest. Ideal for containers and potato bags.

Swift potato (for outdoors, for containers, good for beginners): small oval tubers by a slate label

Swift

First Early

The earliest of all — harvests as soon as 60 days. Small oval waxy tubers with excellent fresh flavour. Ideal for containers.

  • Outdoors
  • Container
  • Beginners
Rocket potato (for outdoors, for containers, good for beginners): a heap of small round tubers beside a fork and slate label

Rocket

First Early

Exceptional speed and reliability. Round white-skinned tubers with creamy flesh. Very popular in UK allotments.

  • Outdoors
  • Container
  • Beginners
Pentland Javelin potato (for outdoors): smooth pale oval tubers lying on dug soil

Pentland Javelin

First Early

Classic Scottish first early with white skin, waxy flesh and clean flavour. Good resistance to scab.

  • Outdoors
Foremost potato (Heritage, for outdoors): pale oval tubers just lifted beside a garden fork

Foremost

First Early

Long-established reliable first early. Pale skin, waxy flesh, excellent flavour. Steady yields.

  • AGM
  • Outdoors
  • Heritage
Arran Pilot potato (Heritage, for outdoors): long oval pale tubers beside a fork and slate label

Arran Pilot

First Early

The classic Scottish first early. Long oval waxy tubers with smooth white skin and clean flavour. A staple of UK allotments for over a century.

  • Outdoors
  • Heritage
Duke of York potato (Heritage, for outdoors, top flavour): oval tubers, one cut to show yellow flesh, by a slate label

Duke of York

First Early

Heritage first early with golden-yellow waxy flesh and outstanding buttery flavour. Kidney-shaped tubers — one of the oldest named varieties still grown.

  • Outdoors
  • Heritage
  • ⭐ Flavour

🌿 Second Earlies

Harvest Jul–Aug. Versatile — waxy enough for salads, substantial enough for boiling. Good for most growing situations.

Charlotte potato (RHS Award of Garden Merit, for outdoors, for containers, top flavour): oval yellow salad tubers by a slate label

Charlotte

Second Early

The most popular salad potato in the UK. Waxy yellow flesh, nutty flavour, superb boiled or in salads. Reliable and prolific.

  • Outdoors
  • Container
  • ⭐ Flavour
  • AGM
Kestrel potato (for outdoors): cream tubers with purple eyes beside a slate label

Kestrel

Second Early

Striking purple-eyed tubers with white skin. Versatile — boils, bakes and chips well. Strong disease resistance.

  • Outdoors
Estima potato (for outdoors, good for beginners): large oval yellow tubers beside a slate label

Estima

Second Early

Large oval tubers with light yellow flesh. Reliable heavy cropper. Excellent baked or boiled.

  • Outdoors
  • Beginners
Wilja potato (for outdoors): long oval yellow tubers beside a slate label

Wilja

Second Early

Long oval yellow-fleshed tubers with good flavour. Very reliable in wet conditions. Good resistance to blight.

  • Outdoors
Maris Peer potato (for outdoors, for containers): small round golden tubers by a slate label

Maris Peer

Second Early

Compact round tubers with firm waxy flesh. Holds shape perfectly when boiled — ideal for salads and new potatoes. Very consistent yields.

  • Outdoors
  • Container
Nadine potato (for outdoors, good for beginners): smooth pale oval tubers on freshly dug soil

Nadine

Second Early

Smooth white-skinned tubers with firm waxy flesh. Reliable heavy cropper with good disease resistance. Stores reasonably well for a second early.

  • AGM
  • Outdoors
  • Beginners

🏆 Maincrop

Harvest Aug–Oct. Largest yields and best for storage. Includes the classic bakers, chippers and mash potatoes.

Maris Piper potato (RHS Award of Garden Merit, for outdoors, top flavour): a heap of golden tubers beside a fork and slate label

Maris Piper

Maincrop

The nation's favourite for chips, mash and roasts. Floury white flesh, heavy yields, superb flavour. The benchmark maincrop.

  • Outdoors
  • ⭐ Flavour
  • AGM
King Edward potato (Heritage, for outdoors, top flavour): cream tubers splashed with pink

King Edward

Maincrop

The classic roast potato. Floury, dry-textured flesh with red-tinged skin. Outstanding flavour. A British institution.

  • Outdoors
  • ⭐ Flavour
  • Heritage
Desiree potato (Heritage, for outdoors): red-skinned tubers, one cut to show yellow flesh

Desiree

Maincrop

Red-skinned with yellow waxy flesh. Versatile — chips, boils, roasts and mashes. Good drought tolerance.

  • AGM
  • Outdoors
  • Heritage
Sarpo Mira potato (Heritage, for outdoors, blight resistant): a heap of red-skinned tubers by a slate label

Sarpo Mira

Maincrop

Exceptional blight resistance — the best choice for organic growers or wet summers. Red skin, floury flesh, heavy yields.

  • AGM
  • Outdoors
  • Heritage
  • Blight Resistant
Rooster potato (RHS Award of Garden Merit, Heritage, for outdoors, top flavour): red tubers in a bowl, two cut to show yellow flesh

Rooster

Maincrop

Distinctive deep red skin with fluffy yellow flesh. Excellent for chips, roasts and mash. Heavy cropper with outstanding blight resistance. Ireland's most popular potato.

  • Outdoors
  • Heritage
  • ⭐ Flavour
  • AGM
Cara potato (for outdoors, good for beginners, disease resistant): round cream tubers with pink eyes by a slate label

Cara

Maincrop

Large round tubers with white skin and distinctive pink eye markings. Mild flavour, very versatile. Excellent resistance to blight and eelworm.

  • Outdoors
  • Beginners
  • Disease Resistant

🥗 Salad Types

Waxy, firm-fleshed varieties that hold their shape when cooked. Best eaten fresh — store poorly but taste extraordinary.

Anya potato (for outdoors, top flavour): long knobbly pink-beige salad tubers

Anya

Salad

Knobbly nutty fingerling with waxy yellow flesh and outstanding flavour. A cross between Desiree and Pink Fir Apple.

  • Outdoors
  • ⭐ Flavour
Pink Fir Apple potato (RHS Award of Garden Merit, Heritage, for outdoors, top flavour): long knobbly pink tubers on soil

Pink Fir Apple

Salad

The aristocrat of salad potatoes. Knobbly, irregular, waxy and intensely nutty. Eat hot or cold — spectacular either way.

  • Outdoors
  • ⭐ Flavour
  • Heritage
  • AGM
Ratte potato (Heritage, for outdoors, top flavour): small, long pale yellow tubers on a wooden table

Ratte

Salad

French fingerling with rich buttery flavour. Beloved by chefs. Small elongated tubers with firm yellow flesh.

  • AGM
  • Outdoors
  • ⭐ Flavour
  • Heritage
Nicola potato (for outdoors, top flavour): long oval golden tubers on a wooden table

Nicola

Salad

German salad variety with consistently excellent flavour. Long oval tubers, golden skin, firm waxy flesh. Very reliable.

  • Outdoors
  • ⭐ Flavour
Belle de Fontenay potato (Heritage, for outdoors, top flavour): slender oval yellow tubers on a wooden table

Belle de Fontenay

Salad

The aristocrat of French salad potatoes. Slender oval tubers with golden waxy flesh and a refined buttery flavour. Beloved by chefs.

  • Outdoors
  • Heritage
  • ⭐ Flavour
Vitelotte potato (Heritage, for outdoors, top flavour): dark purple tubers, one cut to show violet flesh

Vitelotte

Salad

Stunning heritage fingerling with deep purple-black skin and vivid violet flesh throughout. Nutty earthy flavour. A spectacular talking point.

  • Outdoors
  • Heritage
  • ⭐ Flavour

🎨 Specialist & Coloured Skin

Blight-resistant and novelty varieties with striking skin colour, prized for their distinctiveness and reliability.

Orla potato (RHS Award of Garden Merit, for outdoors, blight resistant, good for beginners): smooth pale oval tubers

Orla

First Early · Blight Resistant

A smooth-skinned first early with outstanding blight resistance and excellent flavour. Clean, bright white skin and waxy flesh. One of the best organic and low-spray potato choices for UK growers.

  • Outdoors
  • AGM
  • Blight Resistant
  • Beginners
Salad Blue potato (Heritage, for outdoors, top flavour): round purple tubers, one cut to show violet flesh

Salad Blue

Heritage · Purple

Striking round tubers with deep blue-purple skin and vivid violet-blue flesh throughout. A 19th-century Scottish heritage variety. Nutty, earthy flavour. Holds colour when cooked in the skin.

  • Outdoors
  • Heritage
  • ⭐ Flavour
Purple Majesty potato (Heritage, for outdoors, top flavour): dark purple tubers, two halves showing purple flesh

Purple Majesty

Heritage · Purple

Deep purple skin and vivid purple-blue flesh. Very high anthocyanin antioxidant content. Firm, waxy texture. Excellent roasted or boiled — holds its colour well when cooked.

  • Outdoors
  • Heritage
  • ⭐ Flavour

04 Where to Source

Wooden crates of seed potatoes, each with a handwritten variety label

Seed potatoes arrive from specialist suppliers Jan–Mar, and from most garden centres from Feb onwards. Always buy certified disease-free seed potatoes — never plant supermarket tubers, which may carry disease and are often treated to suppress sprouting. Order early: popular varieties sell out fast.

An open catalogue of potato varieties on a table beside red and yellow potatoes

📬 Seed catalogues

The widest range — hundreds of varieties. Order Jan–Feb for delivery in Feb–Mar. Popular first earlies and salad types sell out early.

Crates and net bags of white and red seed potatoes on sale at a garden centre

🏪 Garden centres

Convenient. Stocks from February. Main varieties only — buy early before sellout.

Seed packets sliding out of a padded envelope onto a doormat

🤝 Seed swaps

Potato Day events in Jan–Feb offer dozens of heritage varieties at minimal cost. An excellent source for Pink Fir Apple, Ratte, and unusual heritage types.

Timing tip: Order seeds in January and February. Popular varieties sell out quickly. Garden centres and markets are a reliable backup from April onwards.

05 Planting Options

🌱 Open Ground

Digging a planting trench with a fork beside seed potatoes, compost and a ground-preparation sign

The traditional method and highest-yielding. Dig trenches 10–15cm deep, enrich with compost, plant sets 30cm apart (earlies) or 40cm (maincrop) with shoots upward. Earth up as foliage grows.

Suitable varieties: All varieties — especially maincrops for maximum yield.

Map of the UK and Ireland coloured by growing region, used with the regional timing table
Open Ground — regional timing
RegionSow / plantHarvestNotes
Scotland & Far NorthChit Feb–Mar · Apr–May · Earth up May–JulJul–OctLate Apr–early May
Northern EnglandChit Jan–Feb · Mar–Apr · Earth up Apr–JunJun–OctLate Mar–mid Apr
Midlands & WalesChit Jan–Feb · Mar–Apr · Earth up Apr–JunJun–OctMid Mar–mid Apr
Ireland & Isle of ManChit Jan–Feb · Mar–Apr · Earth up Apr–JunJun–OctMid Mar–mid Apr
South & SE EnglandChit Jan · Feb–Apr · Earth up Apr–JunJun–OctEarly–mid Mar
South Coast & SWChit Jan · Feb–Mar · Earth up Mar–MayMay–OctLate Feb–mid Mar

🛍️ Potato Bag

A green fabric potato bag full of leafy potato plants on a patio

Grow 3 sets in a 40–50 litre potato bag. Fill one-third with compost, plant sets, cover and add compost as shoots grow. Excellent on patios. Harvest by tipping the bag.

Suitable varieties: First and second earlies — Swift, Charlotte, Rocket, Kestrel.

Potato Bag — regional timing
RegionSow / plantHarvestNotes
Scotland & Far NorthChit Feb–Mar · Apr–May · Earth up May–JulJul–AugLate Apr–early May
Northern EnglandChit Jan–Feb · Mar–Apr · Earth up Apr–JunJun–AugLate Mar–mid Apr
Midlands & WalesChit Jan–Feb · Mar–Apr · Earth up Apr–JunMay–AugMid Mar–mid Apr
Ireland & Isle of ManChit Jan–Feb · Mar–Apr · Earth up Apr–JunMay–AugMid Mar–mid Apr
South & SE EnglandChit Jan · Feb–Apr · Earth up Apr–JunMay–AugEarly–mid Mar
South Coast & SWChit Jan · Feb–Mar · Earth up Mar–MayMay–AugLate Feb–mid Mar

🪵 Raised Bed

Rows of leafy potato plants earthed up in a wooden raised bed

Raised beds give excellent drainage — critical for potatoes. Plant as per open ground. Earthing up is easier with loose raised-bed compost. Perfect for smaller gardens.

Suitable varieties: First and second earlies. Salad types do particularly well.

Raised Bed — regional timing
RegionSow / plantHarvestNotes
Scotland & Far NorthChit Feb–Mar · Apr–May · Earth up May–JulJul–AugLate Apr–early May
Northern EnglandChit Jan–Feb · Mar–Apr · Earth up Apr–JunJun–AugLate Mar–mid Apr
Midlands & WalesChit Jan–Feb · Mar–Apr · Earth up Apr–JunMay–AugMid Mar–mid Apr
Ireland & Isle of ManChit Jan–Feb · Mar–Apr · Earth up Apr–JunMay–AugMid Mar–mid Apr
South & SE EnglandChit Jan · Feb–Apr · Earth up Apr–JunMay–AugEarly–mid Mar
South Coast & SWChit Jan · Feb–Mar · Earth up Mar–MayMay–AugLate Feb–mid Mar

06 Companion Planting

✅ Grow nearby

  • A handful of flat green runner bean pods

    🫘 Beans

    Legumes fix nitrogen that benefits potato growth. Runner beans and French beans are good rotation predecessors or adjacent-bed companions. The shade from tall beans also reduces slug pressure on emerging potato shoots.

  • A calendula plant with bright orange daisy-like flowers

    🌸 Calendula

    Calendula (pot marigold) attracts beneficial insects including hoverflies whose larvae eat aphids. A reliable flowering companion for the vegetable garden that benefits potatoes and neighbouring crops.

❌ Keep apart

  • 🍅 Tomatoes — Both are Solanaceae — they share blight (Phytophthora infestans). Keep as far apart as possible and never rotate into the same bed year after year.
  • 🍆 Aubergines — Same family as tomatoes — susceptible to the same diseases. Rotate all solanums together and give each bed a 3-year rest between plantings.

07 Sowing — How To

Potatoes begin life not as seeds but as seed tubers — small certified potato sets that are chitted (pre-sprouted) before planting. Chitting gives the crop a 2–3 week head start and improves yields significantly. It is the single most worthwhile preparation step.

  1. Red and white seed potatoes with small sprouts on a wooden table

    Select seed potatoes

    Buy certified disease-free seed potatoes from a reputable supplier. Choose sets around the size of a hen's egg — larger ones can be cut in half but leave to dry for 24 hours before planting.

  2. Seed potatoes standing in an egg box on a bright windowsill to chit

    Start chitting

    Stand tubers rose-end up (the end with most eyes) in egg boxes or seed trays. Place in a cool, light, frost-free location — a cool windowsill or unheated spare room is ideal.

  3. A hand holding a seed potato with short, sturdy green sprouts

    Develop good sprouts

    Chit from Jan–Feb for a 2–3 week head start. Aim for short, stubby, dark green shoots (1–2cm). Pale, leggy shoots in the dark are worthless — light is essential.

  4. Forking over dark soil in a raised bed before planting

    Prepare the ground

    Dig in plenty of well-rotted compost or manure. Potatoes thrive in rich, loose, well-drained soil. Avoid freshly limed ground — it encourages scab.

  5. Making a straight planting trench with a trowel, a fork beside it

    Make planting trenches

    Dig rows 10–15cm deep. Space rows 60cm apart for earlies, 75cm for maincrop. A rope or cane keeps rows straight and makes earthing up easier.

  6. Placing a sprouted seed potato in a trench, sprouts facing up

    Plant sets

    Set chitted tubers shoot-side up, 30cm apart (earlies) or 40cm (maincrop). Handle sprouts carefully — they snap off easily. Cover gently with soil.

  7. Drawing soil up around young potato shoots with a hoe

    Earth up

    As shoots appear, draw soil up around them to leave just 5–8cm of foliage showing. Repeat every 2–3 weeks. This protects against frost, encourages more tubers and prevents greening.

  8. Lifting a potato plant with a fork to reveal red and yellow tubers

    Monitor and harvest

    Watch for blight in warm humid spells. First earlies are ready when flowers open — lift a test plant. Maincrop: allow foliage to die back naturally, then lift on a dry day.

Regional sowing timing
RegionSow / plantHarvestNotes
Scotland & Far NorthApr–MayJun–OctFrost risk until late May. Fleece protection may be needed after planting. · Late Apr–early May
Northern EnglandMar–AprJun–OctEarth up well — late frosts possible until early May. · Late Mar–mid Apr
Midlands & WalesMar–AprJun–OctGood conditions from mid-March. Maincrop can go in from late March. · Mid Mar–mid Apr
Ireland & Isle of ManMar–AprJun–OctGood conditions from mid-March. Maincrop can go in from late March. · Mid Mar–mid Apr
South & SE EnglandFeb–AprJun–OctEarliest planting dates in mainland UK. · Early–mid Mar
South Coast & SWFeb–MarMay–OctFirst earlies can go in Feb in mild years — watch frost forecasts. · Late Feb–mid Mar

08 Using a Propagator

Potatoes are grown from seed tubers (sets), not from seed, so a propagator is not part of the process. The equivalent of propagation for potatoes is chitting — standing the tubers rose-end up in egg boxes or seed trays in a cool, light, frost-free spot for 4–6 weeks before planting. A cool windowsill, unheated spare room, or porch is ideal. The goal is short, dark green stubby sprouts 1–2cm long.

Chitting seed potatoes in an egg box under a clear propagator lid on a windowsill

Heated propagator

Not applicable — potatoes are chitted, not germinated in heat. Warmth during chitting produces weak, drawn sprouts. A cool, bright, frost-free spot (7–10°C) is ideal for chitting.

Unheated propagator

Not applicable in the propagator sense. The closest equivalent is chitting on a cool, bright windowsill or in an unheated spare room at around 7–10°C with good light. This produces the short, sturdy dark-green sprouts that give the best results at planting.

A heap of smooth golden potatoes on a wooden table

Standard unheated propagator — A lidded seed tray traps warmth and humidity around germinating seeds without electricity. Performance depends entirely on room temperature — best placed on a warm windowsill and used from March onwards. Replace the lid promptly after watering. Remove it completely the moment seedlings emerge to prevent damping off.

A heap of freshly dug red-skinned potatoes on soil
Windowsill alternative: A bright south-facing windowsill can substitute from late February. Place a clear polythene bag loosely over the pot during germination. Remove immediately once seedlings appear.

09 Soil Requirements

pH
5.0–6.0
Best
Loam, Sandy loam
Tolerates
Clay loam, Sandy
Avoid
Waterlogged, Alkaline chalk
💡 Slightly acid, well-drained. Liming increases scab risk.

10 Ongoing Care

Drawing soil up around young potato shoots with a hoe

⛏️ Earthing Up

Earth up regularly as shoots grow — draw soil around the stems to leave just 5–8cm of foliage showing. Repeat every 2–3 weeks. This protects against frost, encourages more tubers to form along the buried stem, and prevents tubers near the surface from turning green and toxic.

Watering a flowering potato plant at its base, with a sign about steady moisture

💧 Watering

Steady moisture is essential once plants are in flower and tubers are swelling. Irregular watering at this stage causes hollow heart and skin cracking. In dry spells, water deeply twice a week at the base of the stems. First earlies in containers need daily watering in warm weather.

Potato leaves with brown blotches of blight

🍂 Blight Watch

Blight (Phytophthora infestans) can destroy a whole crop within days in warm, humid weather. Inspect plants every 2–3 days in summer. At first sign — brown patches spreading from leaf tips, white mould beneath — remove all affected material immediately and never compost it. Choose blight-resistant varieties (Sarpo Mira, Orla) for peace of mind.

Lifting a potato plant with a fork to reveal red and yellow tubers

🥔 Harvesting

First earlies: harvest when flowers open, about 10 days after the petals fall. Gently scrape soil aside to check tuber size — aim for egg-sized. Second earlies: as above, from late July. Maincrop: wait until all foliage has died back completely, then choose a dry day and lift with a fork well clear of the row.

11 Watch Out For

Warning

Blight (Phytophthora infestans) can destroy an entire crop within days in warm, humid weather. Choose resistant varieties like Sarpo Mira for high-risk gardens. At first sign — brown spreading patches on leaves, white mould underneath — remove all affected material immediately and never compost it. Colorado beetle and potato wart are notifiable. If you find a yellow-and-black striped beetle or its red larvae, or warty, cauliflower-like growths on tubers, don't move the plants or tubers. Report it to the government plant health service where you live.

🐛 Insects & pests

  • 🐌 Slugs & Snails — Silver slime trails on leaves, soil, and pots — often the first sign before damage is found
  • 🐜 Aphids (Blackfly & Greenfly) — Curled, distorted, or stunted growing tips — aphids inject saliva that causes leaf curl to protect them
  • 🟢 Leafhopper — Pale papery cast skins (exuviae) dotted on the underside of leaves — the most characteristic sign

🍄 Diseases to watch

  • 🟤 Late Blight — Late blight (Phytophthora infestans) is the most destructive disease in the UK kitchen garden. The same pathogen caused the Irish Potato Famine of the 1840s. In warm, humid conditions it spreads with terrifying speed — an entire crop of tomatoes can be destroyed within a week of the first lesion appearing.
  • ⬜ Sclerotinia (White Mould) — Sclerotinia sclerotiorum causes a sudden, dramatic collapse of apparently healthy plants. It produces dense white cotton-wool-like mycelium and large black resting bodies (sclerotia) that persist in soil for up to 10 years. A single severely affected bed can remain a reservoir for re-infection for a decade.
  • 🌿 Fusarium Wilt — Fusarium wilt (Fusarium oxysporum) is a soil-borne vascular disease that invades root systems and blocks the water-conducting tissue of the plant. Infected plants die of internal drought even with adequate soil moisture. Different formae speciales (strains) target specific host plants — asparagus fusarium is different to tomato fusarium.

Full identification and treatment advice is in the Pests and Diseases sections.

12 Storage & Preserving

Freshly dug potatoes spilling from a brown paper sack

🥔 Short-term fresh

Freshly lifted earlies and salad types are best eaten within a week. Store in a cool dark place loosely in a paper bag or hessian sack — never in plastic.

An open hessian sack of potatoes in a dark shed

🌑 Cool dark storage

Maincrop potatoes store for months in the right conditions: 4–7°C, complete darkness (light causes greening), good ventilation, and away from frost. A garage, shed or cellar is ideal.

Potatoes wrapped in newspaper in a wooden crate beside a hessian sack

❄️ Frost protection

Potatoes are damaged by frost. In storage, insulate boxes with newspaper or hessian and check regularly through winter. Any green or soft potatoes must be removed immediately.

13 Expert Tips

💡 Soil Warmth Matters

The single most common reason for poor potato yields is planting in cold, wet, compacted soil. Potatoes planted into warm, loose, well-enriched ground in mid-spring consistently outperform those rushed into cold soil in early spring. Patience pays.

💡 Chitting in Light

Chitting in the dark produces pale, fragile shoots that snap off and contribute nothing. A cool windowsill — even a north-facing one — gives far better results than a warm dark cupboard. Short, dark-green, stubby shoots are your quality indicator.

💡 Green Tubers

Earthing up is not optional. Exposed tubers turn green within a few days of light exposure. Green potato flesh contains solanine — a mild toxin. Any green portions must be cut away completely and not eaten.

💡 Blight Management

Never compost blighted potato material — burn it or bin it. Blight spores survive in compost heaps and in volunteer potato plants that sprout from missed tubers the following year. Thorough removal is essential.

14 Common Mistakes

⚠ Planting

  • Planting unchitted sets — you lose 2–3 weeks of growth for no reason.
  • Planting in cold wet soil below 7°C — sets rot rather than sprout.
  • Planting supermarket potatoes — likely to carry disease and often treated to suppress sprouting.
  • Forgetting to earth up — tubers exposed to light turn green and toxic.

⚠ Ongoing Care

  • Irregular watering during tuber swelling — causes hollow heart and skin cracking.
  • Leaving blighted material on the plant or in the compost — spreads the disease rapidly.
  • Harvesting maincrop too early — yields dramatically increase in the final 4 weeks.
  • Storing in light — even brief exposure turns skin green; green potatoes should not be eaten.

15 See Also

Open the full interactive potatoes guide →Browse all 91 crops