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Sunflower 'Russian Giant'

Helianthus annuus

74% (10 Reviews)

The tallest, sunniest sunflower!

Boasts eye-catching, huge yellow flowers

Some parts of this variety are edible - Don't forget to check out our Edible Flowers Guide

This product is produced and supplied in association with Thompson & Morgan

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Description Sowing More Info Delivery Reviews

I could be the tallest flower in your garden. Can you grow the tallest, sunniest sunflower? When I have finished flowering leave the flowerheads out to feed the birds over the winter. Height: 2m+.Did You Know? - Not all sunflowers are yellow or tall. Look for furry-looking teddy bear types, different colours and ones with several flowers on one stem.

These seeds are endorsed by the RHS.


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.


1 packet (25 sunflower seeds) (37231)

Sow me indoors from February to April. Fill some 7.5cm pots almost to the rim with some moist seed compost. Push 3 seeds into the centre of each pot and cover with the compost. Place in a warm place in a light position. Keep the pots well watered until my seedlings appear - about 7 days. Move the plants to a bright windowsill, water regularly until I am well grown.Sow me outdoors from May to early June Choose where you want me to grow. Rake the ground so it is nice and fine and remove any big stones. Sow me 20mm deep and 40cm apart. Make sure the rows are 45-60cm apart.

For indoor sown plants - when all risk of frost has gone, plant me outside somewhere sunny and well-drained.

Measure how tall your sunflowers grow and how big the flower head is.

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.

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