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How do I grow peppers in my Polytunnel?

Peppers are a warm-loving vegetable that can be grown in a polytunnel. Here are some tips on how to grow peppers in a polytunnel:



  1. Start seeds indoors 6-8 weeks before the last frost date in your area. Use seed trays or pots and a good seed compost.

  2. Transplant seedlings into the polytunnel when they are big enough to handle. Space the plants 18-24 inches apart.

  3. Keep soil consistently moist, but not waterlogged. Peppers prefer a pH between 6 and 7.

  4. Provide support for pepper plants as they grow. They can be staked or grown on a trellis.

  5. Peppers require high temperatures and high humidity, so a polytunnel is an ideal growing environment. Aim to maintain a daytime temperature of around 70-75°F and a nighttime temperature of around 60-65°F.

  6. Provide adequate light. Pepper plants require at least 8 hours of sunlight per day.

  7. Fertilize peppers regularly throughout the growing season with a balanced water-soluble fertilizer.

  8. Peppers take around 60-90 days to reach maturity from transplant. Watch for pests and disease and treat as necessary.

  9. Harvest peppers when they are fully ripe, this is when the fruit will have reached its full size and color.

Keep in mind that peppers are perennials, but typically grown as annuals, so you will have to replant them next year.

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