Description
Crocosmia potsii Grandiflora
Crocosmia potsii Grandiflora is a striking hardy perennial producing arching spikes of scarlet-red lily-shaped flowers with glowing orange to yellow centres. The vibrant blooms are carried on tall elegant stems above attractive grass-like green foliage, creating a dramatic display from early to mid-summer. Reaching approximately 90cm in height with a spread of around 40cm, this impressive variety brings colour, movement and architectural interest to borders, cottage gardens and wildlife-friendly planting schemes.
Why Choose Crocosmia potsii Grandiflora?
This beautiful variety is admired for its vivid flower colour and graceful arching habit. The scarlet-red blooms with contrasting orange-yellow centres create a bold display that stands out in mixed borders. Furthermore, the long flowering stems make excellent cut flowers, allowing gardeners to enjoy their vibrant colour indoors as well as outside.
Growing Crocosmia potsii Grandiflora
For best results, plant in full sun in fertile, moist but well-drained soil. Regular watering during dry periods will encourage strong growth and abundant flowering. Once established, plants form reliable clumps that return year after year with increasing vigour. Consequently, they become even more impressive as they mature.
Perfect for Borders and Cut Flower Displays
The tall flower spikes and vibrant colouring make this variety ideal for mixed borders, cottage gardens and naturalistic planting schemes. Moreover, the flowers combine beautifully with ornamental grasses, agapanthus, salvias and echinaceas. As a result, Crocosmia potsii Grandiflora provides valuable colour and structure throughout the summer season.
Care and Maintenance
This hardy perennial requires very little maintenance once established. Remove spent flower stems after flowering to keep plants looking tidy. In addition, divide mature clumps every few years to maintain vigour and encourage continued flowering. Finally, a spring mulch will help conserve moisture and support healthy growth throughout the season.
Related Plants and Further Information
Browse our full Crocosmia collection:
https://www.mailorderplants4me.com/product-category/perennials/crocosmia/
For expert crocosmia growing advice visit the Royal Horticultural Society:
https://www.rhs.org.uk/plants/crocosmia/growing-guide
Key Features
- Scarlet-red lily-shaped flowers
- Orange to yellow flower centres
- Graceful arching flower spikes
- Flowers from June to July
- Grows approximately 90cm tall
- Attractive grass-like green foliage
- Excellent cut flower variety
- Ideal for borders and cottage gardens
- Suitable for full sun
- Attractive to pollinators
- Easy to grow and maintain








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