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Thompson & Morgan Sweetcorn Early Xtra Sweet F1 Hybrid - 30 Seeds

Not AvailableThompson & Morgan Sweetcorn Early Xtra Sweet F1 Hybrid - 30 Seeds
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Grow your own delicious harvest of super-sweet Sweetcorn with 'Early Xtra Sweet' F1. At harvest ti...

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This guide is for home gardeners looking to grow exceptionally sweet corn. The 'Early Xtra Sweet' F1 Hybrid offers a superior sugary flavor that lasts, providing a delicious harvest from August to September. A key consideration is that it should not be planted near ordinary sweetcorn varieties to maintain its unique sweetness.

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Model Part Number23593
BrandThompson & Morgan

Extended Product Information

FAQs

When is the best time to sow 'Early Xtra Sweet' F1 seeds?

Sow seeds mid-spring indoors. Plant out after all risk of frost has passed.

What are the ideal germination conditions?

Germinate at 20-30°C (68-86°F) in a propagator or sealed container with consistently damp seed compost.

How far apart should I plant the sweetcorn seedlings?

Plant seedlings 45cm (18in) apart in blocks to ensure effective pollination.

Why should I avoid planting this variety near other sweetcorn?

Planting near ordinary sweetcorn can lead to cross-pollination, which dilutes the unique, enhanced sweetness of the 'Early Xtra Sweet' F1 hybrid.

When can I expect to harvest the sweetcorn?

Harvesting typically occurs from August to September.

What is the expected height and spread of the plants?

Plants can reach up to 200cm (approx. 6.5 feet) in height and 45cm (approx. 1.5 feet) in spread when fully established.

How many seeds are in a packet?

Each packet contains approximately 30 seeds.

Troubleshooting

Seeds not germinating

Ensure consistent temperature between 20-30°C and that the compost remains consistently damp but not waterlogged.

Poor cob development

Check for adequate sunlight, fertile soil, and proper spacing for pollination. Ensure consistent watering.

Plants are weak or stunted

Improve soil fertility with compost or well-rotted manure. Ensure the plants receive ample sunlight.

Sweetness seems lower than expected

Confirm that the plants were not grown near other standard sweetcorn varieties, as this can affect flavor.

Pros and Cons

Pros

  • Produces exceptionally sweet corn cobs.
  • Flavor sweetness is long-lasting.
  • Easy to cultivate for novice gardeners.
  • Reliable harvest period.
  • Good seed count per packet.

Cons

  • Requires isolation from other sweetcorn varieties to maintain sweetness.
  • Germination requires specific temperature conditions (20-30°C).
  • Needs fertile soil and a sunny position for optimal growth.
  • Requires careful spacing (45cm apart) for pollination.

Setup, Compatibility & Care

Sowing:

  1. Sow seeds mid-spring indoors.
  2. Use good, free-draining, damp seed compost in 7.5cm (3in) pots.
  3. Germinate at 20-30°C (68-86°F) in a propagator or sealed container.
  4. Cover seeds with 1cm (½in) of compost or vermiculite.
  5. Germination typically takes 6-10 days.

Planting Out:

  1. Plant out after all risk of frost has passed.
  2. Space plants 45cm (18in) apart in blocks to aid pollination.
  3. Choose a position in full sun.
  4. Ensure the soil is fertile.

Care:

  • Water regularly, especially during dry periods.
  • Keep the area free from weeds.
  • Avoid planting near ordinary sweetcorn varieties to prevent cross-pollination and dilution of sweetness.

Compatibility:

This variety is best grown in isolation from other sweetcorn types. It requires a sunny position and fertile soil.