Thompson & Morgan Calendula Orange Flash Seed Packet - KA2632

Easy to grow Calendula ‘Orange Flash’ is a variety that will create a stunning visual display in y...

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This guide is for home gardeners seeking to add vibrant, long-lasting color to their outdoor spaces. The Thompson & Morgan Calendula 'Orange Flash' seed packet offers an easy-to-grow variety producing stunning pastel orange petals with bronze undersides, perfect for sunny borders and cottage garden styles. A potential consideration is the need for regular watering, especially during dry spells.

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Model Part NumberKA2632
BrandThompson & Morgan

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FAQs

When is the best time to sow Calendula 'Orange Flash' seeds?

You can sow seeds directly outdoors from April to May for summer flowering. For an earlier bloom, sow indoors from March to April. For late season flowering, sow in late summer or early autumn.

What are the ideal growing conditions for this plant?

Calendula 'Orange Flash' thrives in full sun and requires well-drained soil. Regular watering is important, particularly during dry spells.

How tall and wide does Calendula 'Orange Flash' grow?

When fully established, the plant typically reaches a height of up to 45cm and spreads up to 20cm.

How many seeds are in a packet?

Each packet contains approximately 200 seeds.

Can I grow these in pots or containers?

Yes, as long as the container is in a sunny location and provides good drainage, Calendula 'Orange Flash' can be grown successfully in pots or containers.

What does 'hardy cottage garden favourite' mean?

It means the plant is a traditional, resilient choice for cottage-style gardens, known for its ability to withstand common garden conditions and provide a charming, informal look.

How far apart should I space the plants?

After thinning seedlings, ensure they are spaced 30cm apart to allow for proper growth and air circulation.

Troubleshooting

Seeds not germinating

Ensure seeds are planted at the correct depth (1cm), kept consistently moist, and are in a suitable temperature range (especially for indoor sowing). Check if the seed packet is within its viable date.

Seedlings are weak or leggy

This can be caused by insufficient light. Move seedlings to a brighter location or ensure outdoor sowings are in a sunny spot. Thinning plants can also encourage stronger growth.

Poor flowering

Confirm the plant is receiving at least 6-8 hours of direct sunlight per day. Ensure adequate watering and that the plant is not competing with too many other plants for nutrients.

Pests on leaves

Inspect plants regularly. Aphids are common; try to dislodge them with a strong jet of water or use a mild insecticidal soap if necessary.

Pros and Cons

Pros

  • Produces a visually appealing display of unique pastel orange and bronze flowers.
  • Easy cultivation makes it accessible for gardeners of all skill levels.
  • Offers a long flowering period, ensuring continuous color throughout summer.
  • Suitable for various garden styles, particularly cottage gardens.
  • Can be sown at different times for extended blooming or specific flowering periods.

Cons

  • Requires a full sun position for optimal growth and flowering.
  • Needs regular watering, especially in dry conditions.
  • Germination can take 5-10 days, requiring some patience.
  • Seeds are supplied in packets (approx. 200 seeds), which might be more than needed for small gardens.

Setup, Compatibility & Care Instructions

Sowing Outdoors:

  1. Choose a sunny location with well-drained soil.
  2. Sow seeds directly outdoors between April and May.
  3. Plant seeds thinly, 1cm deep, in drills spaced 30cm apart.
  4. Cover seeds with soil to exclude light and water gently.
  5. Germination typically occurs within 5-10 days.
  6. Once seedlings are large enough to handle, thin them to 30cm apart.

Sowing Indoors:

  1. Sow indoors from March to April at temperatures between 18-23°C.
  2. Transplant seedlings outdoors once they are large enough to handle and the risk of frost has passed.

Late Season Sowing:

  1. For winter or early spring flowering, sow in late summer or early autumn.
  2. Grow in a cool greenhouse or conservatory.

Care:

  • Watering: Water regularly, especially during dry periods, to ensure consistent moisture.
  • Sunlight: Requires a position in full sun for best results.
  • Soil: Prefers well-drained soil.
  • Spacing: Ensure adequate spacing of 30cm between plants when established.

Compatibility: Suitable for most garden settings, including borders, beds, and containers, provided they receive ample sunlight.