Thompson & Morgan Sunflower Helios Flame - 20 Seeds
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Product Information
Full details
The Thompson & Morgan Sunflower 'Helios Flame' is an ideal choice for home gardeners seeking to add striking, bi-colored vertical interest to their borders. These tall, sturdy plants feature golden petals accented by dark mahogany centers, making them perfect for wildlife gardens and cut-flower arrangements. While they provide excellent garden height and edible seeds, growers must ensure they have a sheltered spot with full sun, as their tall stems are susceptible to damage in exposed, windy locations.
All features
| Model Part Number | 52881 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
When is the best time to sow these sunflower seeds?
You should sow them outdoors directly where they are to grow between April and May.
How deep should I plant the seeds?
Sow the seeds at a depth of 1cm (1/2 inch) and cover with soil to exclude light.
Are these sunflowers safe to eat?
Yes, the seed kernels are edible and can be toasted for a healthy snack.
How far apart should the plants be?
Once thinned out, keep the plants spaced at 30cm (12 inches) apart.
Do I need to stake these sunflowers?
While they have sturdy stems, providing support is recommended if you are in an exposed or windy garden location.
What is the expected height of the Helios Flame?
When fully established, these sunflowers can grow up to 180cm tall.
Troubleshooting
Seeds failing to germinate
Ensure soil temperature is warm enough (April/May) and that you have not planted them deeper than 1cm.
Stems leaning over or collapsing
This is usually caused by wind; install a bamboo stake and tie the stem loosely with garden twine.
Slow growth
Check that the plants are receiving at least 6-8 hours of direct sunlight daily and receiving adequate water.
Pros and Cons
Pros
- Striking and unique bi-color aesthetic
- Excellent height for border backdrops
- Produces edible and nutritious seeds
- Good vase life for cut flowers
- Attracts bees and other pollinators
Cons
- Requires a sheltered location to avoid wind damage
- Needs full sun to thrive effectively
- Cannot be sown before April due to temperature requirements
Setup, Compatibility & Care
To begin, prepare a patch of soil in full sun, raking it to a fine tilth. Sow the seeds from April to May at a depth of 1cm, keeping rows 45cm apart. Once seedlings reach a handleable size, thin them out to a spacing of 30cm to allow adequate airflow.
- Soil: Ensure the site is well-drained.
- Watering: Consistent moisture is key, especially during dry spells in the summer.
- Protection: If your garden is prone to high winds, consider light staking for the tallest plants.
- Storage: Store unused seeds in a cool, dark, and dry environment to maintain viability.