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Dahlia 'Rouge Collection'

Half-hardy Perennial

What is Half-Hardy Perennial?

A contemporary mix of a cottage garden favourite

Perfect summer border fillers

Fill your garden with bright sunny colours

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Description How to Grow More Info Delivery

Each of the four varieties in this vibrant dahlia collection have been selected for their bold colours, striking blooms and garden performance. This is the perfect collection for filling gaps in perennial borders, or adding an exotic colour splash to summer bouquets. Cut flower gardeners will appreciate the tall sturdy stems and repeat flowering ability of these easy to grow dahlia plants.  The tubers can be lifted after the first hard frost of autumn and replanted the following spring for bigger, better displays each and every year.

Varieties: Dahlia 'Blue Boy', Dahlia' Maggiore Fire', Dahlia 'Pulp Fiction', Dahlia 'Mambo'

Height: 100cm (39"). Spread: 50cm (20").

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.

Height Up to 120cm (48in)
Spread Up to 60cm (24in)

Half-hardy Perennial

cut flower gardenexotic gardenpatiocottage gardens

full sun

Flowering Months
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4 Tubers (1 Each Of Variety) (KB3702)
8 Tubers (2 Each Of Variety) (KB8698)

Plant Dahlia tubers outdoors in April 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.
Feed and water dahlias regularly throughout the growing season. While dahlia plants are still young, pinch out the growing tip of each stem to encourage bushier growth and masses of flowers. Deadhead faded dahlia flowers to encourage more blooms to be produced. Bedding dahlia are generally grown as annuals, however dahlia tubers may be lifted in autumn and stored over winter in trays of peat or sand, in a cool but frost free position if required. They can be potted up the following spring.

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 £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 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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