No summer garden should be without dahlias. Perfect for the border or the cutting patch, they flower for ages in a host of bright colours, from white through to almost black. Grow them from tubers in spring for the best choice of varieties, or buy ready-grown plants at the garden centre in summer.

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The colour you choose will depend on your chosen colour scheme - red and crimson dahlias offer a pop of colour and looks great in 'hot' borders or pots.

Here are eight red and crimson dahlias to grow.

Dahlia 'Alva's Doris'

Dahlia 'Alva's Doris' is a tall semi-cactus dahlia, with large, red spiky blooms. It's excellent for cutting and exhibiting.

Dahlia 'Alva's Doris'
Spiky red blooms of Dahlia 'Alva's Doris'

Dahlia 'Aurora's Kiss'

Dahlia 'Aurora's Kiss' is a miniature ball dahlia, bearing small, dark red, ball-shaped blooms on tall stems. It makes a lovely cut flower.

Dahlia 'Aurora's Kiss'
Dark red ball-shaped bloom of Dahlia 'Aurora's Kiss'

Dahlia 'Bishop of Llandaff'

Dahlia 'Bishop of Llandaff' is a very popular dahlia, and one of the best single types available. Its bright red, single flowers are attractive to bees and are perfect for cutting. It also has attractive bronze-tinged foliage.

Dahlia 'Bishop of Llandaff'
Deep-bronze foliage and bright-red single blooms of Dahlia 'Bishop of Llandaff'

Dahlia 'Charlotte Bateson'

Dahlia 'Charlotte Bateson' is a miniature ball dahlia, bearing small, deep pink ball-shaped blooms on tall stems from midsummer to autumn. It's perfect for growing in a mixed herbaceous border and makes an excellent cut flower.

Dahlia 'Charlotte Bateson'
Deep-pink ball-shaped bloom of Dahlia 'Charlotte Bateson'

Dahlia 'Cornel'

Dahlia 'Cornel' is a pompom dahlia, bearing medium-sized, pompom-shaped purple-red flowers on strong stems. It makes a gorgeous cut flower.

Dahlia 'Cornel'
Purple-red pompom-shaped flowers of Dahlia 'Cornel'

Dahlia 'Doris Day'

Dahlia 'Doris Day' bears small, bright red cactus flowers. It's perfect for growing in a mixed herbaceous border, and makes an excellent cut flower.

Dahlia 'Doris Day'
Small spiky red flowers of Dahlia 'Doris Day'

Dahlia 'Kilburn Rose'

Dahlia 'Kilburn Rose' is a gorgeous ‘waterlily’ dahlia, with gorgeous pink flowers. They contrast nicely with the mid-green foliage.

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Dahlia 'Kilburn Rose'
Deep-pink waterlily-like flowers of Dahlia 'Kilburn Rose

Dahlia 'Taratahi Ruby'

Another waterlily type, Dahlia 'Taratahi Ruby' bears eye-catching scarlet flowers from summer to autumn.

Dahlia 'Taratahi Ruby'
Scarlet waterlily-shaped flowers of Dahlia 'Taratahi Ruby'

Stake dahlias to prevent flopping

Dahlias have a tendency to flop when in flower, so stake them discreetly before they begin to bloom.
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