How to Plant Potatoes: A Step-by-Step Guide for Beginners and Experts
Planting potatoes is a rewarding and straightforward gardening activity that yields a delicious and versatile crop. Potatoes can be grown in garden beds, containers, or potato bags, making them suitable for gardens of all sizes. With the right techniques, you can ensure a healthy and productive harvest.
This guide provides everything you need to know about planting potatoes, from preparing the seed potatoes to planting, caring for, and harvesting them successfully.
Why Plant Potatoes?
- Easy to Grow:
- Potatoes are low-maintenance and thrive in a variety of conditions.
- High Yield:
- A single seed potato can produce multiple tubers, making them highly productive.
- Versatile Planting Options:
- Potatoes can be grown in traditional garden beds, containers, or small spaces like balconies.
- Variety of Types:
- Choose from early new potatoes, maincrop varieties for storage, or salad potatoes.
Choosing the Right Potato Variety
1. First Early Potatoes
- Planting Time: Late February to early March.
- Harvest Time: 10–12 weeks after planting.
- Examples: Rocket, Swift, Arran Pilot.
- Best For: Early new potatoes.
2. Second Early Potatoes
- Planting Time: Mid-to-late March.
- Harvest Time: 13–15 weeks after planting.
- Examples: Charlotte, Kestrel, Maris Peer.
- Best For: Salads and light meals.
3. Maincrop Potatoes
- Planting Time: Late March to early April.
- Harvest Time: 18–20 weeks after planting.
- Examples: Maris Piper, King Edward, Desiree.
- Best For: Large harvests and long-term storage.
4. Salad Potatoes
- Planting Time: Mid-March.
- Harvest Time: 12–14 weeks after planting.
- Examples: Pink Fir Apple, Nicola, Ratte.
- Best For: Waxy potatoes for salads and side dishes.
When to Plant Potatoes
- First Earlies: Late February to early March.
- Second Earlies: Mid-to-late March.
- Maincrop Potatoes: Late March to early April.
Factors to Consider:
- Plant when the soil is workable and frost-free.
- In colder regions, use cloches or fleece to protect young plants.
How to Plant Potatoes: Step-by-Step
1. Prepare the Seed Potatoes
- Chitting (Optional but Recommended):
- Start chitting 4–6 weeks before planting.
- Place seed potatoes in a cool, bright spot with the eyes (sprouts) facing upward.
- Allow sprouts to grow to 2–3 cm before planting.
2. Prepare the Soil
- Choose a sunny location with well-drained, fertile soil.
- Enrich the soil with compost or well-rotted manure.
- Ensure the soil pH is between 5.5 and 6.5 for optimal growth.
3. Planting in the Ground
- Dig trenches or individual holes about 10 cm deep.
- Place chitted seed potatoes with the sprouted eyes facing upward.
- Space potatoes as follows:
- First and second earlies: 30 cm apart with rows 60 cm apart.
- Maincrop potatoes: 40 cm apart with rows 75 cm apart.
- Cover with soil and water thoroughly.
4. Planting in Containers or Bags
- Fill the container or potato bag with 10 cm of soil or compost.
- Place 3–5 seed potatoes evenly spaced on the surface.
- Cover with another 10 cm of soil and water lightly.
- Add more soil as the plants grow, leaving the top leaves exposed.
Caring for Potato Plants
1. Watering
- Keep the soil consistently moist but not waterlogged.
- Increase watering during tuber development, especially in dry spells.
2. Earthing Up
- Mound soil or compost around the stems as the plants grow to protect tubers from sunlight and prevent greening.
3. Fertilizing
- Use a balanced fertilizer at planting and during early growth to encourage healthy plants.
4. Frost Protection
- Cover young plants with fleece or cloches if frost is forecast.
5. Pest and Disease Management
- Use certified seed potatoes to minimize disease risk.
- Watch for pests like slugs, wireworms, and aphids, and treat them as necessary.
Harvesting Potatoes
1. First and Second Earlies
- Harvest 10–15 weeks after planting when plants flower or the foliage begins to yellow.
2. Maincrop Potatoes
- Wait until the foliage dies back completely, around 18–20 weeks after planting.
- Use a garden fork to gently lift the tubers, taking care not to damage them.
Storing Potatoes
- Curing:
- Dry harvested potatoes in a dark, cool, and dry place for 1–2 weeks.
- Storage:
- Store cured potatoes in a well-ventilated, dark location to prevent sprouting and greening.
Common Challenges When Planting Potatoes
1. Frost Damage
- Cause: Planting too early or exposure to late frost.
- Solution: Use cloches or fleece to protect young plants.
2. Poor Sprouting
- Cause: Low-quality seed potatoes or improper storage.
- Solution: Use certified seed potatoes and start chitting early.
3. Blight
- Cause: Wet, humid conditions.
- Solution: Plant resistant varieties and ensure good airflow between plants.
Tips for Planting Potatoes Successfully
- Start Early: Begin chitting in late winter for a head start on the growing season.
- Rotate Crops: Avoid planting potatoes in the same spot each year to reduce the risk of disease.
- Choose the Right Variety: Match your potato type to your desired harvest time and culinary use.
- Monitor Moisture Levels: Keep soil consistently moist but avoid overwatering.
- Protect from Frost: Cover young plants with fleece or cloches if frost is forecast.
Top 10 Questions About Planting Potatoes
1. What are seed potatoes?
Seed potatoes are small, certified disease-free tubers used for planting and growing potato crops.
2. When should I start chitting potatoes?
Start chitting 4–6 weeks before planting, typically in January or February.
3. How deep should I plant potatoes?
Plant potatoes about 10 cm deep.
4. Can I grow potatoes in containers?
Yes, potatoes grow well in containers or potato bags with proper soil depth and drainage.
5. How far apart should potatoes be spaced?
Space first and second earlies 30 cm apart and maincrop potatoes 40 cm apart.
6. How do I protect potatoes from frost?
Use fleece, cloches, or soil to protect young plants from frost.
7. How do I prevent potato blight?
Plant resistant varieties, ensure good airflow, and avoid overhead watering.
8. When should I harvest first early potatoes?
Harvest first earlies 10–12 weeks after planting when the plants flower.
9. How do I store harvested potatoes?
Cure potatoes in a dark, dry place for 1–2 weeks, then store them in a cool, ventilated area.
10. Can I grow potatoes from supermarket tubers?
It’s not recommended, as supermarket potatoes may carry diseases or have been treated to prevent sprouting.
Conclusion
Planting potatoes is a rewarding gardening activity that provides a versatile and delicious crop. By selecting the right variety, preparing your soil, and following proper planting and care techniques, you can enjoy a healthy and abundant harvest. Whether you’re growing in a garden bed, container, or potato bag, planting potatoes is a straightforward process with satisfying results.