Thompson & Morgan Dianthus Maiden Pink Brilliancy - 200 Seeds

Beautiful, prolific, and low-maintenance Dianthus deltoides 'Brilliancy' is a garden superstar. Th...

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This guide is for gardeners looking to cultivate the vibrant Dianthus deltoides 'Brilliancy'. It offers a comprehensive overview of how to grow this beautiful, low-maintenance plant, which is ideal for ground cover and adding color to various garden settings. Keep in mind that germination requires specific temperature conditions.

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Model Part Number23947
BrandThompson & Morgan

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FAQs

When is the best time to sow the seeds?

Sow seeds from February to April.

What kind of soil does Dianthus deltoides 'Brilliancy' prefer?

It prefers any fertile, well-drained soil.

How much sun does the plant need?

It requires full sun.

How far apart should I space the plants?

Space plants 30cm (12in) apart.

How long does it take for the seeds to germinate?

Germination typically takes 14-30 days.

What is the height and spread of the plant when fully established?

It grows up to 20cm in height and spreads up to 30cm.

When does Dianthus deltoides 'Brilliancy' flower?

It flowers from late spring through autumn, which is May to September.

Is this plant suitable for coastal gardens?

Yes, it is suitable for coastal gardens.

Troubleshooting

Seeds not germinating

Ensure the correct temperature (18-20C / 64-68F) is maintained, and the compost surface is kept moist but not waterlogged. Make sure light is not excluded.

Poor flowering

Ensure the plant receives full sun and is planted in well-drained soil. Regular feeding and watering can also help.

Yellowing leaves

This could be due to overwatering. Allow the soil to dry out slightly between waterings.

Pros and Cons

Pros

  • Provides vibrant color with crimson flowers.
  • Excellent for ground cover, suppressing weeds.
  • Suitable for various garden settings, including pots and rockeries.
  • Relatively low-maintenance once established.
  • Evergreen foliage offers year-round interest.

Cons

  • Requires specific temperature conditions (18-20C / 64-68F) for germination.
  • Germination can take 14-30 days.
  • Needs full sun exposure.
  • Requires well-drained soil.

Setup, Compatibility & Care

  1. Sowing Seeds: Sow seeds from February to April on the surface of lightly firmed, moist seed compost in pots or trays. Cover with a fine sprinkling of compost or vermiculite.
  2. Temperature: Maintain a temperature between 18-20C (64-68F). Avoid excluding light, as it aids germination.
  3. Watering: Keep the compost surface moist but not waterlogged.
  4. Transplanting: Transplant seedlings when large enough to handle into trays or 7.5cm (3in) pots.
  5. Acclimatization: Gradually acclimatize plants to cooler conditions for a few weeks before planting outdoors after the risk of frost has passed.
  6. Planting Location: Plant Dianthus in any fertile, well-drained soil in full sun. Position: Full Sun. Height: Up to 20cm when fully established. Spread: Up to 30cm when fully established.
  7. Spacing: Space plants 30cm (12in) apart.
  8. Maintenance: Feed and water regularly until fully established.