Thompson & Morgan Dianthus Summer Sundae - 30 Seeds
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The Thompson & Morgan Dianthus Summer Sundae is a hardy perennial ideal for home gardeners looking to add fragrance and color to cottage gardens, borders, and patio containers. Known for producing sweet-scented blooms in its first year, this versatile plant serves as an excellent choice for cut flower arrangements and even culinary applications, though growers must ensure they have a consistent, frost-free environment for initial germination and seedling development.
All features
| Model Part Number | 26317 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
When is the best time to sow Dianthus Summer Sundae?
Sow your seeds indoors between February and April.
Do I need to cover the seeds with soil?
No, you should not cover the seeds because they require light to germinate effectively.
Can these flowers be used in cooking?
Yes, the petals are edible and can be used to garnish cakes, salads, and soups.
How much space does each plant need?
Once fully established, allow for a 30cm spread per plant.
Are these plants safe for pollinators?
Absolutely; the scented blooms are specifically noted for attracting bees and butterflies.
When can I move the plants outside?
Plant them outdoors only after all risk of frost has passed in your region.
Troubleshooting
Seeds failing to germinate
Ensure they are not covered by soil, as light is required for germination, and maintain the recommended temperature range.
Seedlings look weak or spindly
Provide more natural light and ensure the environment is not overly humid once germination has occurred.
Plant growth is stunted
Check that the soil is free-draining and that the plants are receiving at least 6-8 hours of full sun daily.
Pros and Cons
Pros
- Produces scented flowers in the first year of growth
- Suitable for both aesthetic garden displays and culinary use
- Highly attractive to essential garden pollinators
- Easy to sow and ideal for beginner gardeners
- Hardy perennial variety ensures long-term garden enjoyment
Cons
- Requires specific temperature control during germination
- Cannot be planted outside until all frost risk has passed
- Seeds require light to germinate, necessitating careful placement
- Needs free-draining compost to prevent root issues
Setup, Compatibility & Care
- Sowing: Sow seeds between February and April on the surface of quality, free-draining seed compost.
- Germination: Maintain temperatures between 18-20C (64-68F). Do not cover seeds as they require light to germinate. Use a propagator or a sealed polythene bag to retain humidity.
- Transplanting: Move seedlings into 7.5cm pots once they are large enough to handle.
- Acclimatization: Keep in cooler conditions for 10-15 days after initial growth before moving outdoors.
- Planting: Transplant into final garden positions after the last frost, ensuring 30cm of space between plants.