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Seeds to sow outside in August

Shop seeds to sow outside in August and grow with confidence from seed

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Used at RHS Chelsea Flower Show
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Showing Seeds Sowing month outside : August clear all
21 items
Allium ursinum

Best Seller

20% off

wild garlic - Allium ursinum
From £2.39
approx 40 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Antirrhinum majus Appleblossom

20% off

Antirrhinum majus 'Appleblossom'
£3.29 £2.63
approx 20 seeds
Antirrhinum majus Potomac Lavender

20% off

Antirrhinum majus 'Potomac Lavender'
£5.49 £4.39
approx 50 seeds
Viola tricolor

20% off

heartease
£2.79 £2.23
approx 75 seeds
Lunaria annua var. albiflora

20% off

Lunaria annua var. albiflora
£2.99 £2.39
approx 100 seeds
Monarda didyma

New

20% off

Monarda didyma
£3.29 £2.63
approx 90 seeds
Primula veris

20% off

Primula veris
From £2.39
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
1 star 1 star 1 star 1 star 1 star 5.0 5 8 (8)
Viola odorata

20% off

Viola odorata
From £2.63
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Achillea millefolium

Best Seller

20% off

Achillea millefolium
From £2.39
approx 400 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Angelica archangelica

20% off

angelica
From £3.11
approx 100 seeds
9cm pot
2 + 1 FREE 9cm pots
2 litre pot
0.75 star 1 star 1 star 1 star 1 star 4.7 5 6 (6)
Origanum vulgare subsp. hirtum

20% off

oregano - Greek
£2.79 £2.23
approx 1000 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Origanum vulgare

New

20% off

marjoram - wild marjoram
£2.49 £1.99
approx 200 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
lettuce All Year Round

20% off

lettuce (butterhead) 'All Year Round'
£2.79 £2.23
approx 1400 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
lettuce Marvel of Four Seasons

20% off

lettuce (butterhead) 'Marvel of Four Seasons'
£2.49 £1.99
approx 500 seeds
lettuce Red Grenoble

20% off

lettuce (cut and come again) 'Red Grenoble'
£3.29 £2.63
approx 4000 seeds
Lettuce winter mixed

30% off

Lettuce winter mixed
£2.99 £2.09
approx 1000 seeds
mixed oriental spicy leaves

20% off

mixed oriental leaves
£3.29 £2.63
approx 250 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Lunaria annua Chedglow
Lunaria annua 'Chedglow'
From £3.99
available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Echinacea purpurea Magnus Superior

New

Echinacea purpurea 'Magnus Superior'
£3.49 £2.79
available to order from autumn
Lunaria annua Corfu Blue

New

Lunaria annua 'Corfu Blue'
£3.29 £2.63
available to order from autumn
Delphinium requienii

New

Delphinium requienii
£4.99 £3.99
available to order from autumn
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Seeds to sow outside in August make it easier to choose seeds that fit the way you want to garden. Starting from seed gives you more choice, good value and the satisfaction of watching plants grow from the very beginning. Whether you are filling a few pots, planning a border, refreshing a patch of lawn or growing food for the table, the right seed choice helps you get moving with confidence.

At Crocus, the seed range is carefully selected to support everyday gardeners as well as those with a clear plan in mind. You can explore flower seeds, vegetable seeds, herbs, wildflower mixes, lawn seed and practical growing kits, with product details that help you compare timing, space, colour and conditions before you buy.

Seeds to sow outside in August help you plan your seed trays, pots and outdoor sowing without the guesswork. Use the timing as a simple guide, then check each product page for the best sowing notes before you start.

Order online and have your seeds delivered to your door, ready for your next sowing session. With Crocus expertise behind the range, you can choose popular varieties, plan useful combinations and build a garden that feels more productive, more colourful and easier to manage.

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