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Plants that Flower in August

Make sure the display in the borders does not start to fade by adding dahlias, penstemons and hydrangeas.

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Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : August clear all
632 items
Cosmos bipinnatus Hummingbird Lilac
Cosmos bipinnatus 'Hummingbird Lilac'
£3.49
approx 40 seeds
Antirrhinum majus Madame Butterfly Cherry Bronze
Antirrhinum majus 'Madame Butterfly Cherry Bronze'
£3.49
approx 25 seeds
Agrostemma githago
Agrostemma githago
£3.29
approx 75 seeds
Cosmos bipinnatus Fizzy Rose Picotee (Fizzy Series)
Cosmos bipinnatus 'Fizzy Rose Picotee' (Fizzy Series)
From £3.29
approx 100 seeds
0 star 1 star 1 star 1 star 1 star 4.0 5 1 (1)
Cosmos bipinnatus Casanova Pink (Casanova Series)
Cosmos bipinnatus 'Casanova Pink' (Casanova Series)
£3.29
approx 30 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Cobaea scandens
Cobaea scandens
£3.19
available to order from summer
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Borago officinalis Alba
borage - white borage
£3.19
approx 50 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Chamaemelum nobile
common chamomile
From £3.19
approx 400 seeds
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Prunella vulgaris
Prunella vulgaris
From £2.99
approx 100 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
Dipsacus fullonum

Best Seller

Dipsacus fullonum
From £2.99
approx 150 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 5 (5)
Achillea millefolium

Best Seller

Achillea millefolium
From £2.99
approx 400 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Cosmos bipinnatus Purity
Cosmos bipinnatus 'Purity'
From £2.99
approx 100 seeds
0.5 star 1 star 1 star 1 star 1 star 4.5 5 19 (19)
Echium vulgare
Echium vulgare
£2.99
approx 35 seeds
0 star 0 star 1 star 1 star 1 star 3.0 5 2 (2)
Cosmos bipinnatus Apricota
Cosmos bipinnatus 'Apricota'
From £2.99
approx 50 seeds
0 star 0.25 star 1 star 1 star 1 star 3.3 5 3 (3)
Welsh onion
Welsh onion
From £2.99
approx 250 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99
available to order from summer
Nepeta cataria
catnip
From £2.99
approx 150 seeds
9cm pot
2 + 1 FREE 9cm pots
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Antirrhinum majus Appleblossom
Antirrhinum majus 'Appleblossom'
From £2.99
approx 20 seeds
3 × packets of seeds
Linum perenne
flax, linseed
£2.99
approx 700 seeds
Cosmos bipinnatus Sensation Pinkie (Sensation Series)
Cosmos bipinnatus 'Sensation Pinkie' (Sensation Series)
£2.99
approx 100 seeds
Cosmos bipinnatus Seashells mixed

New

Cosmos bipinnatus 'Seashells mixed'
£2.99
available to order from summer
Cosmos bipinnatus Candy Stripe
Cosmos bipinnatus 'Candy Stripe'
£2.99
approx 100 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Apricot Lemonade

New

Cosmos bipinnatus 'Apricot Lemonade'
From £2.99
available to order from summer
Thymus serpyllum

New

Thymus serpyllum
£2.99
approx 200 seeds
Thunbergia alata Susie Orange with Black Eye (Susie Series)
Thunbergia alata 'Susie Orange with Black Eye' (Susie Series)
£2.89
available to order from summer
0 star 0 star 1 star 1 star 1 star (2)
Viola tricolor
heartease
£2.79
approx 75 seeds
Cosmos bipinnatus Rubenza
Cosmos bipinnatus 'Rubenza'
£2.49
approx 30 seeds
1 star 1 star 1 star 1 star 1 star (3)
Phlox drummondii Crème Brûlée
Phlox drummondii 'Crème Brûlée'
£2.49
approx 200 seeds
1 star 1 star 1 star 1 star 1 star (1)
Cosmos bipinnatus Velouette

40% off

Cosmos bipinnatus 'Velouette'
£3.99 £2.39
approx 30 seeds
Cosmos bipinnatus Dazzler
Cosmos bipinnatus 'Dazzler'
£2.25
approx 100 seeds
0.25 star 1 star 1 star 1 star 1 star (3)
Antirrhinum majus Madame Butterfly Red

40% off

Antirrhinum majus 'Madame Butterfly Red'
£3.49 £2.09
approx 25 seeds
Antirrhinum majus Night and Day

40% off

Antirrhinum majus 'Night and Day'
£2.49 £1.49
approx 500 seeds
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