Nasturtium Purple Emperor - Thompson & Morgan
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Nasturtium Purple Emperor is an ideal choice for home gardeners looking to add a vintage aesthetic to their borders or containers. This half-hardy annual provides a unique visual display with dusky-rose flowers and yellow throats, while also serving as an edible garden addition. While it is highly versatile and easy to grow, it requires a full-sun location and consistent watering to maintain its health throughout the summer months.
All features
| Model Part Number | KB9807 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
Are all parts of the Nasturtium Purple Emperor edible?
Yes, both the leaves and the flowers are edible, and the seed pods can be pickled for use as capers.
Can I grow these in containers?
Absolutely, their 30cm trailing habit makes them excellent for patio pots, hanging baskets, and window boxes.
When is the best time to sow the seeds?
Sow outdoors from March to May once the soil has warmed up and there is no danger of frost.
How deep should I sow the seeds?
Sow the seeds at a depth of 20mm (3/4 inch) in well-drained soil.
Does this plant attract pests?
Like many nasturtiums, they can occasionally attract aphids, which can often be managed with a gentle water spray or by introducing natural predators like ladybugs.
How long will the plant flower?
You can expect a continuous display of flowers from June through September.
Troubleshooting
Seeds failing to germinate
Ensure the soil temperature is warm enough and keep the area consistently moist without waterlogging the seeds.
Plants are tall and spindly with few flowers
This is often a sign of insufficient sunlight. Ensure the plants are in a spot with full sun exposure.
Leaves turning yellow or wilting
Check soil moisture; while they need water, ensure the soil is well-drained to avoid root rot.
Pros and Cons
Pros
- Striking and unique floral coloration
- Dual-purpose plant (ornamental and edible)
- Compact growth habit suitable for small spaces and pots
- Fast germination and growth rate
- Easy to maintain for beginner gardeners
Cons
- Half-hardy nature makes it sensitive to frost
- Requires a full-sun position to bloom prolifically
- Requires consistent watering during dry spells
- Limited to a specific annual growing season
Setup, Compatibility & Care
For the best results, sow your seeds directly outdoors between March and May once the risk of frost has passed. Choose a location that receives full sunlight and has well-drained soil to prevent root issues. Create drills approximately 20mm deep, spacing them 30cm apart to allow for proper airflow and root development. Keep the soil consistently moist until germination occurs. Once seedlings emerge and are large enough to handle, thin them to a final spacing of 30cm. Aside from regular watering, minimal maintenance is required throughout the summer. Ensure the plants are not exposed to late-season frost, as they will not survive freezing temperatures.