Kniphofia 'Royal Castle', commonly known as Red Hot Poker, is a bold perennial that produces striking, torch-like flower spikes in fiery shades of red, orange, and yellow. Blooming from midsummer into autumn, this eye-catching plant adds vibrant colour and vertical interest to borders and wildlife-friendly gardens. Its strong, upright growth and clumps of grassy green foliage make it a fantastic choice for adding texture and structure. Drought-tolerant once established, 'Royal Castle' is also highly attractive to pollinators such as bees and butterflies.

Why we like it

• Stunning red, orange, and yellow flower spikes.
• Adds height and structure to garden borders.
• Highly attractive to pollinators.

What to know

• Prefers full sun for the best flowering display.
• Thrives in well-drained, moderately fertile soil.
• Drought-tolerant once established but benefits from occasional watering.
• Deadhead spent flowers to encourage prolonged blooming.
• Cut back foliage in late autumn to promote healthy regrowth.

Flower Colour
Red, orange, yellow

Flowering months
July, August, September

Height and Spread
Height: 80 cm
Spread: 50 cm