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If you’re looking for a splash of vibrant colour in your garden, nasturtiums are a fantastic choice. These hardy annuals are not only visually appealing but also easy to grow, making them perfect for both novice and seasoned gardeners. As someone who has spent over 15 years nurturing gardens across Staffordshire, I've found nasturtiums to be a delightful addition to any space.
Quick Answer
To grow nasturtiums in the UK, plant seeds directly in well-draining soil after the last frost, ideally in late April or May. They thrive in sunny spots and require minimal care.
Why Choose Nasturtiums?
- Bright and cheerful flowers available in a variety of colours
- Easy to grow and maintain
- Attract beneficial insects like bees and butterflies
- Edible flowers and leaves, adding a peppery taste to salads
Planting Nasturtiums
When to Plant
Nasturtiums are best sown directly in the ground after the last frost has passed. In the UK, this typically means late April to May. If you're in the Midlands, including Staffordshire, keep an eye on local weather forecasts to ensure the frost risk has truly passed.
Where to Plant
Choose a sunny spot in your garden with well-drained soil. While nasturtiums are not picky about soil quality, they tend to do better in poorer soils, as overly rich soil can lead to more foliage than flowers.
How to Plant
Sow the seeds about 1.5 cm deep and space them 25-30 cm apart. If you’re planting in containers, ensure they have sufficient drainage. Water the seeds gently after planting.
Caring for Nasturtiums
Watering
While nasturtiums are drought-tolerant, regular watering will promote better blooms. Water them once a week during dry spells, ensuring the soil doesn’t become waterlogged.
Pests and Problems
Keep an eye out for aphids, which can sometimes be a problem. However, since nasturtiums attract beneficial insects, they often take care of pests naturally. If necessary, use a gentle insecticidal soap.
Seasonal Care Calendar
| Month | Task | Notes |
|---|---|---|
| April | Sow seeds outdoors | Ensure risk of frost has passed |
| May | Thin seedlings if necessary | Ensure proper spacing |
| June - August | Water regularly and deadhead | Encourage more blooms |
| September | Collect seeds for next year | Allow some flowers to go to seed |
Frequently Asked Questions
Do nasturtiums need a lot of sun?
Yes, nasturtiums thrive in full sun but can tolerate partial shade. In the UK, aim for the sunniest spot in your garden.
Can I grow nasturtiums indoors?
While it's possible, nasturtiums prefer being outdoors where they can get ample sunlight and robust air circulation.
Are nasturtiums good for companion planting?
Absolutely! They are excellent companions for vegetables like tomatoes and cucumbers, helping to deter pests.