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Culinary note: try crystallising the flowers for a tasty cake decoration, or use them to make a delicately flavoured syrup to use with puddings. For more details about edible flowers click here.
Cottage Gardens, Wildlife Gardens
Up to 180cm (70.9in)
Up to 60cm (23.6in)
Easy for all
Easy for all
Fleuroselect,First introduced by T&M,RHS plants for pollinators
1 packet (25 hollyhock seeds) (52365)
Sow Hollyhock seed from February to July on the surface of a good seed compost, and cover with a light sprinkling of compost of vermiculite. Place in a propagator at a temperature of 15-21C (59-70F) or seal the seed tray inside a polythene bag until after germination, which usually takes 14- 21 days. Do not exclude light, as this helps germination.
When seedlings are large enough to handle, transplant into 7.5cm (3") pots and grow on in cooler conditions. When Hollyhock plants are well grown and all risk of frost has passed, gradually acclimatise them to outdoor conditions for 10-15 days before planting outdoors. Grow Hollyhocks in full sun in any fertile, well drained soil. Choose a position that is sheltered from strong winds. Space hollyhock plants at least 60cm (24") apart to improve air circulation and help prevent hollyhock rust.
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 £1.95.
Orders which include any other products will incur a delivery charge of £4.95.
Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 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.
For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.