Speedy Seeds Flowers Giant Sunflower RHS Plants for Pollinators

Giant Sunflower Seeds – RHS Plants for Pollinators

Giant Sunflower produces tall plants with large yellow flower heads and is useful for adding height at the back of a border. The product is listed as an RHS Plant for Pollinators.

The flowers can be enjoyed for their colour, while mature heads can also provide food for seed-eating birds later in the season.

Give these plants plenty of room and support them where the garden is exposed to strong winds.

Key Features

Tall-growing Sunflower with large yellow blooms.

Annual for vertical interest.

Listed as an RHS Plant for Pollinators.

Suitable for borders and wildlife-friendly planting.

How to Grow Giant Sunflower Seeds – RHS Plants for Pollinators

Sow indoors in pots or directly outdoors once frost risk has passed, following the packet sowing period.

Keep seedlings watered while establishing and plant into a sunny position with enough room for the mature stems.

Use a sturdy stake if the plants are exposed to wind.

Growing Tips

Water deeply during dry spells.

Give each plant enough space to develop.

Leave mature flower heads for birds if desired.

Frequently Asked Questions

How tall will a Giant Sunflower grow?
Height varies with growing conditions and the particular seed line, so check the packet for the expected height.

Does it help pollinators?
This product is listed as an RHS Plant for Pollinators.

Perfect For

Back of borders

Family gardening

Cut flowers

Wildlife gardens

Pollinator planting