Agrostemma Ocean Pearl - Thompson & Morgan
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The Agrostemma Ocean Pearl is an ideal choice for gardeners looking to attract pollinators to cottage gardens or wildlife-friendly spaces. This Thompson & Morgan exclusive produces stunning, pearly white blooms from June through August, offering both visual appeal and environmental benefits. While it is easy to cultivate from seed, success depends on providing well-drained soil in a sunny position to ensure robust growth.
All features
| Model Part Number | 24091 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
Can I grow Agrostemma in containers?
Yes, provided the container is deep enough to accommodate root growth and has excellent drainage.
When is the best time to sow?
You can sow directly outdoors from March to May for summer blooms, or in late summer for an early flush the following year.
Are these plants frost hardy?
Yes, when sown in late summer, the plants will develop and overwinter to produce strong growth the following spring.
Do I need to stake these plants?
At 60cm tall, they are usually sturdy enough to stand on their own, but you may stake them if you live in a high-wind area.
How deep should I sow the seeds?
Sow them at a depth of 12mm (1/2 inch) and cover with soil to exclude light for proper germination.
Troubleshooting
Seeds failing to germinate
Check soil moisture levels; the soil must be kept moist during the 7-14 day germination period.
Plants are wilting or yellowing
This is often a sign of poor drainage; ensure the plant is not sitting in water-logged soil.
Poor flowering
Verify the plants are receiving enough direct sunlight; they require full sun to produce abundant blooms.
Pros and Cons
Pros
- Attracts pollinators to the garden
- Stunning pearly white aesthetic
- Excellent for cut flower displays
- Exclusive Thompson & Morgan variety
- Suitable for both spring and late summer sowing
Cons
- Requires well-drained soil to thrive
- Sensitive to heavy, waterlogged ground
- Not suitable for indoor-only gardening
Setup, Compatibility & Care
For optimal results, prepare your soil by raking it to a fine tilth before sowing. Plant the seeds 12mm deep in drills spaced 30cm apart. Consistency is key, especially during germination, which typically occurs within 7 to 14 days. Once seedlings are large enough, thin them to a 30cm spacing to allow for proper airflow and root development. Ensure the plants are kept hydrated during dry spells. As they mature to their 60cm height, they are generally self-supporting, but in very exposed areas, a small cane may be used if high winds are common.