Pepper Sweet Astor F1 Hybrid - 8 Seeds - Thompson & Morgan

Enjoy an abundance of long, large peppers from mid-summer to mid-autumn. Emerging green but maturi...

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This guide is for gardeners looking to grow their own sweet peppers, particularly those with limited space or who desire a high yield of large, crisp peppers. The key benefit is abundant, long-lasting harvests of versatile yellow sweet peppers from mid-summer to autumn. A caveat is that 'Astor' is half-hardy and requires specific conditions for optimal growth. The Sweet Pepper 'Astor' F1 Hybrid is an easy-to-grow variety producing long, large peppers that mature from green to a vibrant yellow, offering a sweet and crisp flavor ideal for salads or cooking. It can be cultivated in greenhouses or sunny, sheltered outdoor spots.

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Model Part Number49402
BrandThompson & Morgan

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FAQs

When is the best time to sow Pepper 'Astor' seeds?

Sow seeds indoors or in a propagator from late winter to early spring (February to April) for transplanting after the last frost.

Can I grow these peppers in containers?

Yes, Pepper 'Astor' is well-suited for growing in containers, grow bags, or large pots, provided they are placed in a sunny, sheltered spot.

How tall do these plants grow?

They can reach a height of up to 150cm (approx. 5 feet) and spread up to 60cm (approx. 2 feet), so staking may be necessary for taller plants.

What should I feed my pepper plants?

Once the first fruits have set, feed your plants weekly with a high potash fertilizer, such as a tomato fertilizer.

How often should I water my pepper plants?

Water regularly throughout the growing season, ensuring the soil remains consistently moist but not waterlogged. Mulching can help retain soil moisture.

When can I expect to harvest the peppers?

You can typically expect to harvest peppers from mid-summer through to mid-autumn, depending on sowing time and growing conditions.

What is the difference between green and yellow peppers from this variety?

The peppers emerge green and mature to a vibrant yellow. The yellow stage indicates full maturity, offering a sweeter flavor and crispier texture.

Troubleshooting

Seeds not germinating

Ensure consistent temperature (18-25°C), adequate moisture, and sufficient light. Check the age of the seeds; older seeds may have reduced viability.

Seedlings are leggy and weak

Provide more light and slightly cooler growing conditions after germination. Ensure they are not overcrowded.

Plants fail to fruit

Ensure plants receive adequate sunlight, consistent watering, and appropriate feeding (high potash fertilizer once fruits set). Pollination may be an issue if grown indoors without natural pollinators; gently shaking the flowers can help.

Fruit is small or misshapen

Ensure consistent watering and feeding. Extreme temperature fluctuations or poor soil conditions can also affect fruit development.

Yellowing leaves

This can be due to overwatering, underwatering, or nutrient deficiency. Check soil moisture and consider a balanced liquid feed.

Pros and Cons

Pros

  • High yield of sweet, crisp peppers.
  • Versatile culinary uses.
  • Can be grown in containers or directly in the ground.
  • Attractive yellow color when mature.
  • F1 Hybrid for potentially stronger growth.

Cons

  • Half-hardy, requiring protection from frost.
  • Needs a sunny and sheltered position.
  • May require staking for taller plants.
  • Requires consistent watering and feeding.

Setup, Compatibility & Care Instructions

Sowing Seeds:

  1. Sow seeds on the surface of a good, free-draining, damp seed sowing mix.
  2. Cover lightly with a fine sprinkling of compost or vermiculite.
  3. Place seed trays in a propagator at 18-25°C (64-77°F) until germination.
  4. Do not exclude light, as it aids germination (7-10 days).

Transplanting Seedlings:

  1. Once seedlings are large enough to handle, transplant them into individual 7.5cm (3") pots.
  2. Grow on in cooler conditions.

Final Planting:

  1. When plants are well-grown and all risk of frost has passed, transplant them.
  2. Options include planting into grow bags, containers, or well-prepared beds of fertile, moist, well-drained soil.
  3. Location: Peppers require full sun and a sheltered position. They can be grown undercover in a greenhouse or outdoors.

Care:

  • Watering: Water regularly throughout the growing season.
  • Feeding: Feed weekly with a high potash tomato fertilizer once the first fruits have set.
  • Support: Taller varieties may require staking for support.
  • Mulching: Apply a thick mulch of organic matter around the base to conserve moisture and suppress weeds.

Compatibility:

  • Ideal For: Patios, Greenhouses, Conservatories, Kitchen Gardens.
  • Hardiness: Half-hardy. Requires protection from frost.