Fulfilled and sold by Thompson & Morgan
Out of Stock
Height Up to 420cm (165.4in)
Spread Up to 60cm (23.6in)
cottage gardenswildlife gardensspecimen plant
Fun to grow, producing flower heads up to 45cm (18in) across with individual seeds up to 3½cm (1½in) long. As well as producing large yellow flower heads, Sunflower Mongolian Giant will be the envy of your neighbours as it grows up to 420cm (14ft) tall.
Culinary note: Some parts of these flowers are edible. Try toasting the seed kernels for a healthy snack. For more details about edible flowers click here.
Companion planting: Try growing sunflowers with chives to deter aphids.
1 packet (10 sunflower seeds) (TM08295)
When large enough to handle, thin to 45cm (18in) apart.
It is wise to provide these tall stems with some added support as they grow.
Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.
Orders for packets of seed incur a delivery charge of £2.99.
Orders which include any other products will incur a delivery charge of £4.99.
Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.
Large items may incur a higher delivery charge - this will be displayed in your shopping basket.
Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.
For more information on how we send your plants please visit our Helpful Guide on plant sizes.