Thompson & Morgan - Chilli Pepper Jalapeno M Seed Packet

Bring vibrant colour and a mild kick to your garden and kitchen with Thompson & Morgan Chilli Pepp...

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The Thompson & Morgan Chilli Pepper Jalapeno M seeds are ideal for home gardeners and culinary enthusiasts looking to grow high-quality, versatile chillies that transition from green to red. This variety offers a perfect balance of mild heat and thick-walled texture, making them excellent for stuffing, salsas, or pizza toppings. While they thrive in a controlled greenhouse environment, gardeners should be prepared to provide a sheltered, sunny location to ensure optimal growth and fruit development.

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FAQs

When is the best time to sow these seeds?

Sow in early spring, ideally under glass or in a greenhouse, to give the plants a long enough growing season.

Can I grow these outdoors?

Yes, but they require a very sheltered, sunny spot; they will perform best in a greenhouse or conservatory.

How large will the plants grow?

The plants typically reach a height of 75cm with a spread of 50cm.

Are these peppers spicy?

They are considered a mild chilli pepper, providing a classic Jalapeno kick without being overly hot.

Do I need to stake the plants?

While generally compact, as the plant sets heavy fruit, you may need a small stake to support the branches.

When can I harvest the chillies?

You can harvest when they reach 8-10cm in length; pick them green for a traditional flavour or red for a sweeter taste.

Troubleshooting

Seeds failing to germinate

Ensure the soil temperature remains consistently between 18-25C and verify that the compost remains moist but not waterlogged.

Yellowing leaves

Check for overwatering or inadequate light; ensure the plants have access to at least 6-8 hours of sunlight daily.

Fruit drop

Ensure consistent watering practices and verify that the plant is protected from cold drafts or drastic temperature drops.

Pros and Cons

Pros

  • Excellent for both beginner and experienced gardeners
  • Thick walls make the fruit ideal for stuffing and cooking
  • Compact plant size fits well in greenhouses and conservatories
  • Provides a reliable, consistent harvest throughout the season

Cons

  • Requires a warm, sheltered environment to thrive
  • Growth is sensitive to fluctuating temperatures
  • Needs consistent care during the germination phase

Setup, Compatibility & Care

To start your seeds, sow them on the surface of free-draining, damp seed compost and cover them lightly. It is crucial to maintain a consistent temperature between 18-25C to achieve success within the 7-10 day germination window. Once seedlings emerge, move them to a well-lit spot. For long-term care, ensure the plants are kept in a sheltered, sunny position and watered regularly to prevent the soil from drying out completely. As the plant grows, support it if necessary to prevent the weight of the fruit from bending the stems.