Thompson & Morgan Tomato Red Alert - 25 Seeds

‘Red alert’ is the perfect tomato for anyone looking for masses of fruits (4-5lb 1.8-2.25kg per bu...

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The Thompson & Morgan Tomato Red Alert is ideal for home gardeners seeking a high yield of delicious cherry tomatoes from a compact, easy-to-manage bush. This variety offers abundant, sweet, and refreshing fruits from late June to early November, perfect for salads and Italian cooking. A potential consideration is its need for consistent warmth and sunlight for optimal fruiting.

All features

Model Part Number23740
BrandThompson & Morgan

Extended Product Information

FAQs

How many seeds are in a packet?

Each packet contains 25 seeds.

What is the ideal temperature for germination?

The ideal temperature range for germination is 15-20°C (59-68°F).

Can I grow this tomato in a small garden?

Yes, the 'Red Alert' variety is a compact bush type, making it excellent for container growing and small spaces.

When can I expect to start harvesting tomatoes?

You can expect to harvest tomatoes from late June through to early November, provided growing conditions are favorable.

What does 'compact bush' mean for growth?

It means the plant grows to a relatively small, bushy size, rather than sprawling or growing very tall, making it easier to manage and ideal for pots.

Do I need to feed the plants?

While not strictly necessary for basic growth, feeding with a high-potash fertilizer once fruits begin to set can encourage more abundant fruiting.

How tall and wide does the plant get?

When fully established, the plant typically reaches a height and spread of up to 45cm (17.7 inches).

Troubleshooting

Seeds not germinating

Ensure the seed-sowing mix is kept consistently damp and the temperature is within the 15-20°C range. Check that seeds are not sown too deeply.

Seedlings are leggy or weak

Provide more light and ensure they are not overcrowded. Maintain appropriate temperatures, avoiding extremes.

Plants not flowering or setting fruit

Confirm the plant is receiving adequate sunlight (full sun is essential) and consistent watering. Ensure temperatures are not too low.

Yellowing leaves

This could indicate overwatering, underwatering, or nutrient deficiency. Check soil moisture and consider a balanced liquid feed if necessary.

Pros and Cons

Pros

  • High fruit yield from a compact plant.
  • Sweet and refreshing taste ideal for culinary uses.
  • Long harvest period from early summer to late autumn.
  • Suitable for container gardening.
  • Easy to grow, making it a good choice for beginners.

Cons

  • Requires consistent warmth (15-20C during germination, minimum 15C after transplanting).
  • Needs a sheltered position in full sun for best results.
  • Requires acclimatization to outdoor conditions after the risk of frost has passed.
  • Yield figures are approximate and may vary with growing conditions.

Setup, Compatibility & Care

Sowing Indoors (Greenhouse):

  1. Sow seeds from February to March.
  2. Use a good, free-draining seed sowing mix. Sow seeds on the surface and cover lightly with compost or vermiculite.
  3. Place trays in a propagator at 15-20°C (59-68°F) until germination (7-14 days).
  4. When seedlings have two true leaves, transplant them into individual 7.5cm (3") pots.
  5. Grow on at a minimum temperature of 15°C (59°F).

Sowing Outdoors:

  1. Sow seeds from March to April.
  2. Follow steps 2-5 above for germination and initial potting.

Transplanting:

  1. Once plants are well-grown, transplant them into baskets or containers.
  2. After all risk of frost has passed, gradually acclimatize plants to outdoor conditions over 7-10 days.
  3. Position baskets outdoors in a sheltered spot that receives full sun.

Care:

  • Position: Full sun.
  • Height: Up to 45cm (17.7in).
  • Spread: Up to 45cm (17.7in).
  • Watering: Keep soil consistently moist, especially during dry spells and fruiting.
  • Feeding: Consider feeding with a high-potash fertilizer once fruits begin to set.

Compatibility: Suitable for container growing. Ensure adequate sunlight and protection from strong winds.