Common Potato Planting Mistakes to Avoid
Potatoes are one of the easiest crops to grow, but simple planting mistakes can lead to poor growth, low yields, or complete crop failure. Avoiding these common errors will give your potatoes the best possible start and improve your harvest.
Keter Manor Outdoor Apex Double Door Garden Storage Shed (6 x 8ft)
A durable and stylish beige and brown garden storage shed perfect for storing garden tools, equipment, bikes, and outdoor essentials. Weather-resistant, low maintenance, and ideal for any garden or allotment setup.
Vegetable Plants & Seedlings
Browse Plants
All-Purpose Compost & Soil Improvers
View Compost
Plant Feed & Fertiliser for Strong Growth
Shop Fertiliser
⭐ Recommended Products — Seed Potatoes & Planting Essentials
• Seed Potato Collection (Early, First & Second Earlies)
A mixed pack of quality seed potatoes to plant for a steady harvest from early summer through to autumn. Ideal if you want variety in size and maturity times.
👉 Click here to see top options
• Certified Seed Potatoes (Single Variety Packs)
Choose popular individual varieties (e.g., Maris Piper, Charlotte, King Edward) to suit your taste and growing goals — consistent results from true seed stock.
👉 Click here to see top options
• Potato Grow Bags / Containers
Reusable, breathable bags designed specifically for growing potatoes — great for patios, small gardens, or increasing yield in limited space.
👉 Click here to see top options
• Potato Fertiliser / Soil Booster
Specially formulated feed to support healthy tuber development and improve yields — apply at planting or as a top-dress during the season.
👉 Click here to see top options
• Potato Planting Guides & Markers
Helpful tools and guides that take you through planting depth, spacing, and care — plus reusable markers to keep track of different varieties.
👉 Click here to see top options
Planting Too Early
One of the most frequent mistakes is planting before conditions are right.
- Cold soil delays sprouting
- Frost damages emerging shoots
- Wet ground increases rot risk
Wait until soil temperatures are consistently above 7–8°C.
Using Poor Quality Seed Potatoes
Weak or unsuitable seed potatoes cause problems from the start.
- Old, shrivelled potatoes lack energy
- Diseased tubers spread infection
- Supermarket potatoes may be treated or infected
Always use firm, healthy seed potatoes where possible.
Planting in Waterlogged Soil
Potatoes hate sitting in wet ground.
- Seed potatoes rot easily
- Roots struggle to develop
- Growth is slow or nonexistent
Good drainage is essential, especially in heavy soils.
Planting Too Deep
Planting depth matters more than many realise.
- Shoots take longer to emerge
- Cold soil delays growth
- Risk of failure increases early in the season
Shallow planting with gradual earthing up is more reliable.
Overcrowding Plants
Planting potatoes too close together reduces yields.
- Tubers compete for space
- Plants become weak
- Smaller potatoes form
Correct spacing allows proper tuber development.
Skipping Earthing Up
Earthing up is vital for healthy crops.
- Prevents tubers turning green
- Protects shoots from frost
- Encourages more tuber formation
Failing to earth up leads to poor harvest quality.
Using Fresh Manure at Planting
Fresh manure causes multiple problems.
- Encourages leafy growth over tubers
- Increases potato scab risk
- Can burn young roots
Manure should be applied months before planting, not at planting time.
Overfeeding with Nitrogen
Too much nitrogen is a common mistake.
- Excessive leaf growth
- Fewer potatoes
- Increased disease risk
Balanced or low-nitrogen fertilisers are best for potatoes.
Not Protecting from Frost
Young potato shoots are very frost-sensitive.
- Frost kills emerging growth
- Plants are set back weeks
- Repeated damage weakens plants
Cover or earth up when frost is forecast.
Ignoring Crop Rotation
Growing potatoes in the same spot repeatedly causes issues.
- Disease buildup
- Reduced yields
- Poor soil health
Rotate potatoes every 3–4 years where possible.
Forgetting to Label Varieties
Planting multiple varieties without labels leads to confusion.
- Harvest timing becomes unclear
- Early and maincrop potatoes get mixed
- Poor planning for future seasons
Labelling avoids unnecessary mistakes.
Final Thoughts
Most potato planting failures are caused by avoidable mistakes. Planting into warm, well-drained soil, using healthy seed potatoes, spacing correctly, and protecting early growth all make a huge difference. By avoiding these common potato planting mistakes, you set your crop up for strong growth and a successful harvest.