We're offering you a Stunning Sunflower Seed Grow Kit for £6.99, saving you up to 59% off Thompson and Morgan's's price of £16.99 (correct as of 24.02.2026).

Grow Striking Sunflowers from Seed

Add bold, cheerful colour to your outdoor space with this Sunflower Seed Growing Kit. Sunflowers (Helianthus annuus) are annuals known for their towering stems and radiant blooms, making them a favourite for both new and seasoned gardeners. This kit provides everything you need to nurture sunflowers from seed to spectacular flower, bringing joy and life to gardens, patios, or even balconies.

Why Choose Sunflowers?

• Diverse Colour Range: Enjoy more than just the classic yellow—expect a mix of vibrant hues and striking centres.
• Wildlife Friendly: Sunflowers attract bees and butterflies, supporting pollinators throughout the summer months.
• Great for Cutting: Harvest blooms for indoor arrangements; regular cutting encourages even more flowers.
• Easy & Fast: Seeds germinate quickly and plants reach impressive heights—perfect for creating instant impact.

Growing Guide

• Sowing Time: Sow seeds outdoors from April to June once all risk of frost has passed.
• Location: Choose a sunny spot with well-drained soil. Sunflowers thrive in full sunlight and need shelter from strong winds.
• Sowing Depth: Plant seeds about 1.5cm deep and space them 30cm apart for best results.
• Irrigation: Water regularly during dry periods—sunflowers prefer moist but not waterlogged soil.
• Mature Height: Most varieties in this kit reach between 1.2m and 2m tall by late summer.

Caring for Your Sunflowers

• Feeding: Use a balanced fertiliser when plants are established for optimal growth.
• Staking: Tall varieties may need support as they grow—stake early to prevent wind damage.
• Pest Watch: Protect young seedlings from slugs and snails with organic barriers if needed.
• Deadheading: Remove spent blooms to encourage further flowering until autumn.

Create Your Own Sunflower Haven

• Borders & Backdrops: Plant sunflowers at the back of beds or along fences for dramatic height.
• Pots & Containers: Dwarf varieties work well in large pots—great for patios or balconies.
• Companion Plants: Pair with cosmos, zinnias, or marigolds for a pollinator-friendly display.

FAQs

• When is the best time to plant sunflower seeds?
  Sow outdoors from April to June after the last frost has passed.
• How tall will my sunflowers grow?
  This kit includes varieties that typically reach between 1.2m and 2m tall by late summer.
• What type of soil do sunflowers prefer?
  Sow in well-drained, fertile soil in full sun. Enrich with compost before planting if possible.