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Only £5.49 with every order!

ONLY £2.99 with every order!

48 viola plug plants ONLY £3.99 with orders over £30

Dahlia 'Blue Wish'

Just £6.99

Half-Hardy Tuber
What is Half-Hardy Tuber?
Plant that grows from an underground storage organ. Generally supplied in a
dormant condition with no top growth. Can be grown outdoors
but requires winter protection from frosts and temperatures below 0C.

We are really sorry, but this product is no longer available.

Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery Video

New breeding enhances the blue pigment in dahlias a little more each year, and Dahlia 'Blue Wish' shows the latest colour improvements. The white petals have delicate purple tips as they open but quickly mature to a solid shade of lilac, creating a pretty two-tone effect. The large blooms of this eye-catching dahlia are carried on tall stems which make a lovely feature toward the back of borders, or in a summery bouquet of freshly cut flowers. Height: 120cm (47"). Spread: 60cm (24").


Useful links:

How to grow bulbs, corms and tubers


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.


Cottage Gardens, Exotic Garden, Cut Flower Garden

Half-hardy

Full sun

Up to 120cm (47.2in)

Up to 60cm (23.6in)

Easy for all

Easy for all

RHS plants for pollinators

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Flowering Months
Feed and water dahlias regularly throughout the growing season. While plants are still young, pinch out the growing tip of each stem to encourage bushier growth and masses of flowers. As dahlias develop, the taller varieties will require staking with garden canes to support their stems. Deadhead faded dahlia flowers to encourage more blooms to be produced. With the first autumn frosts, remove tubers from their growing positions and trim away the old stems to 5cm above the tuber. Clean any remaining soil from the tubers and store them over winter in trays of peat or sand, in a cool but frost free position. The tubers can be planted the following spring for another fabulous display.
Plant Dahlia tubers outdoors after all risk of frost has passed. Choose a sunny position in moist well drained soil. Prepare the soil by digging in plenty of well rotted manure or compost. Plant tubers at a depth of 15cm (6"), and water well. Alternatively, start tubers into growth in pots of compost in a frost free greenhouse. Transplant them into their final positions outdoors in June.

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.

RedEye