How to Save Seed Potatoes for Next Year
Saving your own seed potatoes for next year can be a rewarding way to reduce costs and become more self-sufficient in the garden. While there are some risks involved, careful selection, storage, and rotation can give good results, especially for home gardeners growing on a small scale.
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.
🌱 Compost & Soil Improvers
Give your garden beds a boost before winter with compost and organic matter.
Shop Compost & Soil Improvers
🌿 Autumn Plant Feed & Fertiliser
Prepare your soil for autumn planting with suitable fertilisers and soil nutrients.
Browse Garden Fertilisers
🥬 Seed Trays & Propagation Kits
Keep growing through autumn by starting suitable hardy crops under cover.
Shop Seed Trays
⭐ 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
Can You Save Seed Potatoes Successfully?
Yes, seed potatoes can be saved successfully if they come from healthy plants and are stored correctly. However, saved potatoes are not certified seed, so there is a higher risk of disease compared to buying new seed potatoes each year. For best results, saving seed potatoes should be done occasionally rather than continuously year after year.
Which Potatoes Should You Save?
Always select seed potatoes from your healthiest plants.
Choose tubers that are:
- Medium-sized and well-formed
- Free from damage, rot, or scab
- Taken from plants with no signs of disease or blight
Avoid saving very small, misshapen, or damaged potatoes, as these produce weaker plants.
When to Select Seed Potatoes
The best time to select seed potatoes is at harvest. Mark the healthiest plants during the growing season and save potatoes only from those plants. This helps reduce the chance of carrying problems forward.
How to Prepare Potatoes for Storage
Once selected, gently brush off loose soil but do not wash the potatoes. Allow them to dry and cure for 7–10 days in a cool, airy place out of direct sunlight. Curing toughens the skin and reduces the risk of rot during storage.
Best Storage Conditions for Seed Potatoes
Store seed potatoes in:
- A cool place (4–7°C)
- A dark environment
- Frost-free conditions
- Good airflow
Paper sacks, cardboard boxes, or breathable trays work well. Avoid plastic bags, which trap moisture and encourage rot.
How Long Can Seed Potatoes Be Stored?
Seed potatoes can be stored from autumn until planting time in spring, usually 4–6 months. Check them regularly and remove any that show signs of rot or disease to protect the rest.
Preventing Sprouting Too Early
To slow sprouting, keep seed potatoes cool and dark. If sprouts appear early, gently rub them off once, but repeated sprouting weakens the tuber. As planting time approaches, allow controlled sprouting by moving potatoes to a brighter, cooler place for chitting.
Chitting Saved Seed Potatoes
About 4–6 weeks before planting, place seed potatoes in a light, frost-free area to chit. Short, sturdy sprouts produce stronger plants than long, pale shoots.
Crop Rotation and Disease Control
Never plant saved seed potatoes in the same soil where potatoes or other related crops were grown the previous year. Crop rotation reduces disease build-up and improves long-term results when saving your own seed.
How Often Should You Save Seed Potatoes?
Most gardeners find best results by saving seed potatoes for one season, then refreshing stock with certified seed potatoes every 1–2 years. This helps maintain yield and plant health.
When You Shouldn’t Save Seed Potatoes
Do not save seed potatoes if:
- Your crop showed signs of blight or virus
- Yields were poor or plants were weak
- Tubers were damaged or diseased
In these cases, starting fresh with certified seed potatoes is safer.
Final Thoughts
Saving seed potatoes for next year is possible with careful selection and good storage practices. While it’s not a replacement for certified seed potatoes long-term, it can work well occasionally and help you get more value from a healthy crop. Paying close attention to plant health, storage conditions, and rotation is the key to success.