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Special Offers

5 Tulip 'Ice Cream' bulbs £3.99 with any order

16 Hyacinth bulbs £3.99 with any order

2 Clematis Jumbo Plug plants £3.99 with orders over £30

Dahlia variabilis 'Double Extreme'

Just £2.99

Half-Hardy Annual
What is Half-Hardy Annual?
A plant that completes its entire life cycle (growth, reproduction, death) in one season.
Can be grown outdoors but requires winter protection from frosts and temperatures below 0C.
4 Reviews
1 packet (25 dahlia seeds) £2.99 Despatch: within 3 days
Description Sowing More Info Delivery Reviews
Extremely attractive dwarf selection, producing a mass of high quality double and semi double flowers in an rich colour mixture, featuring some unique sunset shades. A stunning addition for beds, borders or containers, providing colour throughout the summer. Height: 45-60cm (18-24 inches).

Culinary note: All dahlia flowers and tubers are edible. The flavours and textures can vary greatly depending on the soil and conditions in which they were grown. Flavours range from water chestnut through to a spicy apple or even carrot. For more details about edible flowers click here.

Useful Links:
How to sow flower seeds
Reasons to buy your seeds from Thompson & Morgan


Patio, Cottage Gardens, Exotic Garden, Cut Flower Garden

Half-hardy

Full sun

Up to 60cm (23.6in)

Up to 45cm (17.7in)

Easy for all

Easy for all

RHS plants for pollinators

1 packet (25 dahlia seeds) (24192)

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Sowing Months Flowering Months

Prefers a moist, well drained soil in full sun. Flowers summer.

Sow February to April at 20-25C (68-77F) on the surface of a good free draining, damp seed compost. Apply a fine sprinkling of vermiculite, 6mm (0.25 inch) deep. Place in a propagator or seal container inside a polythene bag until after germination which usually takes 7-21 days. Do not exclude light at any stage, as this helps germination.

Transplant seedlings, when large enough to handle, into trays or 7.5cm (3 inch) pots. Grow on in cooler conditions for 10-15 days before planting out after all risk of frost, 30cm (12 inches) apart.

Delivery

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.

Satisfaction Guaranteed

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.

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