Thompson & Morgan Senecio Cineraria Silver Dust - 150 Seeds
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This guide is for gardeners looking to cultivate Thompson & Morgan Senecio Cineraria 'Silver Dust' from seeds, offering stunning silver foliage. The key benefit is the plant's striking visual appeal, perfect for borders and pots. A caveat is that, although a perennial, it's best treated as an annual in most climates. This guide covers everything from sowing and care to troubleshooting, helping you successfully grow this beautiful plant.
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| Model Part Number | 23801 |
|---|---|
| Brand | Thompson & Morgan |
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FAQs
How long does it take for the seeds to germinate?
Germination usually takes 10-21 days.
What kind of soil does Senecio cineraria 'Silver Dust' prefer?
It prefers light, well-drained soil.
How much sunlight does this plant need?
It requires a sunny spot, meaning it needs full sun exposure.
Can I grow this plant in a pot?
Yes, it is perfect for using as a feature plant in a patio pot.
When should I sow the seeds?
Sow the seeds in late winter/early spring.
How far apart should I plant the seedlings?
Plant the seedlings 15-20cm (6-8in) apart.
What's the best way to water the plant?
Keep the soil damp but not wet, avoiding overwatering.
Is this plant a perennial?
Technically it is a half hardy perennial, but it is best treated as an annual.
Troubleshooting
Poor Germination
Ensure the soil temperature is within the recommended range (15-24°C or 65-75°F). Check the seed packet for the expiry date. Make sure the seeds are not buried too deeply. Ensure adequate light.
Seedlings are Leggy
Ensure adequate light. Consider using grow lights indoors to supplement natural light.
Yellowing Leaves
Check for overwatering or poor drainage. Ensure the plant is not exposed to direct sunlight during the hottest part of the day.
Slow Growth
Ensure the plant has adequate sunlight and nutrients. Check the soil pH and drainage.
Pros and Cons
Pros
- Stunning silver foliage adds visual interest to gardens.
- Versatile use in various garden settings.
- Relatively easy to grow from seed.
- Compact size suitable for pots and borders.
- Supplied with a generous amount of seeds.
Cons
- Requires full sun exposure.
- Best treated as an annual, requiring replanting each year (in most climates).
- Germination can take 10-21 days.
- Requires well-drained soil.
- May require acclimatization before planting outdoors.
Setup, Compatibility & Care
- Sowing: Sow seeds in late winter/early spring at 15-24°C (65-75°F) on the surface of a good seed compost. Keep the soil damp but not wet.
- Light: Do not exclude light; sealing in a polythene bag after sowing is helpful.
- Germination: Germination usually takes 10-21 days.
- Transplanting: When seedlings are large enough to handle, transplant into 7.5cm (3in) pots and grow on in cooler conditions.
- Acclimatization: Gradually acclimatize to outdoor conditions for 10-15 days.
- Planting Out: Plant out after all risk of frost, 15-20cm (6-8in) apart in a sunny spot on light, well-drained soil.
- Watering: Keep soil damp but avoid overwatering, particularly after germination.