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Nasturtium Climbing Mixed - Thompson & Morgan

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Transform your outdoor space with Nasturtium 'Climbing Mixed', offering a vibrant and vigorous add...

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For gardeners seeking a vibrant and vigorous addition to their outdoor spaces, Nasturtium 'Climbing Mixed' offers a spectacular display of colour and height throughout summer and autumn. While it provides stunning vertical interest and is easy to grow, it lacks tendrils, requiring support for its upward growth. This variety is characterized by its long-flowering period, impressive growth up to 240cm, and the culinary use of its leaves and flowers.

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Model Part Number24151
BrandThompson & Morgan

Extended Product Information

FAQs

How tall does Nasturtium Climbing Mixed get?

Nasturtium Climbing Mixed can reach heights of up to 240cm (95 inches) when fully established.

When should I sow Nasturtium Climbing Mixed seeds?

You can sow seeds outdoors from March to May for flowers from June to September. For earlier flowering, sow indoors in pots from February and transplant after the risk of frost.

Can the flowers and leaves of Nasturtium Climbing Mixed be eaten?

Yes, the peppery flavour of the leaves and colourful flowers can be used to enrich salads and garnish dishes. The unripened seeds can also be pickled like capers.

Does this variety need support to climb?

Yes, Nasturtium Climbing Mixed does not have tendrils and will need support such as a trellis, fence, or netting to climb effectively.

What kind of soil do they prefer?

They prefer well-drained soil. Avoid excessively rich soil, as this can lead to more foliage and fewer flowers.

Are they suitable for containers?

Yes, they can be grown in containers, provided the container is large enough and has a climbing support structure.

How far apart should I space the plants?

When sowing directly outdoors, space the seeds about 30cm (12 inches) apart in rows, and thin the resulting seedlings to 23cm (9 inches) apart.

Troubleshooting

Seeds not germinating

Ensure seeds are sown at the correct depth and the soil is kept consistently moist. If sowing outdoors, ensure soil temperature is adequate. Try starting seeds indoors in pots for more controlled conditions.

Plants not climbing

Ensure adequate support is provided. Gently guide and tie young stems to the support structure. Check that the plant is receiving enough sunlight.

Yellowing leaves

This can indicate overwatering or poor drainage. Allow the soil to dry slightly between waterings and ensure the pot or ground has good drainage. It could also be a sign of nutrient deficiency if other conditions are met; a balanced liquid feed may help.

Aphid infestation

Inspect plants regularly, especially the undersides of leaves and new growth. Blast aphids off with a strong jet of water or use insecticidal soap. Encourage natural predators like ladybugs.

Lack of flowers

Ensure the plant is in a sunny position. Overly rich soil can lead to excessive leaf growth and fewer flowers; reduce feeding if the soil is very fertile. Pruning lightly can sometimes encourage more blooms.

Pros and Cons

Pros

  • Easy to grow from seed and requires little attention once established.
  • Provides significant visual impact with its height and abundant blooms.
  • Edible components offer a unique culinary dimension to salads and dishes.
  • Offers a long flowering season, ensuring continuous colour for months.
  • Can be used to effectively cover unsightly areas or add vertical interest.

Cons

  • Requires support structure such as trellis or netting for climbing.
  • Lacks tendrils, meaning it needs to be tied or guided onto supports.
  • Can be susceptible to aphids, which may require monitoring.
  • Germination may be slower if sown directly outdoors in cooler conditions.
  • Flowers and leaves may vary slightly in colour and intensity depending on growing conditions.

Setup, Compatibility & Care

Sowing Outdoors:

  1. Prepare the soil by raking it to a fine tilth, removing stones.
  2. Sow seeds 20mm (3/4 inch) deep in rows spaced 30cm (12 inches) apart.
  3. After germination, thin seedlings to 23cm (9 inches) apart.

Sowing for Earlier Flowers:

  1. Sow seeds in 7.5cm (3 inch) pots filled with free-draining compost.
  2. Maintain a temperature of 15-20°C (77-68°F) until germination occurs.
  3. Gradually acclimatise seedlings to outdoor conditions before planting out after the last frost.
  4. Ensure plants are well-rooted before transplanting into larger containers or borders.

General Care:

  • Position: Plant in a location that receives full sun.
  • Watering: Water regularly until plants are fully established. Once established, they are relatively drought-tolerant but perform best with consistent moisture.
  • Support: Provide a trellis, netting, or other support structure for the climbing stems. Gently tie stems to the support as they grow if necessary.
  • Soil: Prefers well-drained soil. Avoid overly rich soil, as this can promote foliage growth at the expense of flowers.

Compatibility:

  • Suitable for mixed borders, cottage gardens, exotic-themed gardens, and container planting.
  • Can be grown alongside other sun-loving annuals and perennials. Avoid planting in areas with deep shade or waterlogged soil.