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Seeds to sow outside in May

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

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Showing Seeds Sowing month outside : May clear all
327 items
Johnsons quick lawn seed
Johnsons quick lawn seed
From £14.99
425g pack | covers 20m²
10kg pack | covers 400m²
20kg pack | covers 800m²
Johnsons tuffgrass lawn seed
Johnsons tuffgrass lawn seed
From £8.99
425g pack | covers 20m²
10kg pack | covers 400m²
20kg pack | covers 800m²
Empathy mini wildflower meadow with rootgrow
Mini wildflower meadow with rootgrow
From £7.99
0.5 litres | covers 3m²
1.2 litres | covers 10m²
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Mimosa pudica
Mimosa pudica
£3.29
approx 150 seeds
Lunaria annua Chedglow
Lunaria annua 'Chedglow'
From £4.99
available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Cosmos sulphureus Bright Lights mixed
Cosmos sulphureus 'Bright Lights mixed'
£2.99
available to order from autumn
Tropaeolum majus Tip Top Apricot

New

nasturtium - Tropaeolum majus 'Tip Top Apricot'
£2.79
available to order from autumn
Cosmos bipinnatus Seashells mixed

New

Cosmos bipinnatus 'Seashells mixed'
£2.99
available to order from autumn
Cosmos bipinnatus Xsenia
Cosmos bipinnatus 'Xsenia'
From £3.79
available to order from autumn
0 star 0 star 1 star 1 star 1 star 3.0 5 2 (2)
Echinacea purpurea Magnus Superior

New

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

New

Lunaria annua 'Corfu Blue'
£3.29
available to order from autumn
Tropaeolum majus Milkmaid
nasturtium - Tropaeolum majus 'Milkmaid'
£2.99
available to order from autumn
Papaver somniferum Lauren's Grape

Best Seller

Papaver somniferum 'Lauren's Grape'
From £3.79
available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Rudbeckia triloba Prairie Glow

New

Rudbeckia triloba 'Prairie Glow'
£3.99
available to order from autumn
Tropaeolum majus Purple Emperor

New

nasturtium - Tropaeolum majus 'Purple Emperor'
£3.29
sold out
Lathyrus odoratus Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£3.49
available to order from spring 2027
Aster chinensis Silver Blue

New

Aster chinensis 'Silver Blue'
£4.99
available to order from autumn
Centaurea cyanus Classic Fantastic
Centaurea cyanus 'Classic Fantastic'
£2.99
available to order from autumn
Delphinium requienii

New

Delphinium requienii
£4.99
available to order from autumn
Matthiola incana Pillow Talk

New

Matthiola incana 'Pillow Talk'
£2.99
available to order from autumn
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£3.49
available to order from spring 2027
Carrot Purple Sun

New

carrot 'Purple Sun' F1
£2.99
available to order from autumn
cabbage of Mantova
cabbage (savoy) 'Invernale Mantovano'
£3.29 £2.30
sold out
swede Tweed F1
swede 'Tweed' F1
£2.79 £1.95
sold out
Edible flowers gift set
Edible flowers gift set
£11.99
available to order from winter
Shake and sow Flowers for wildlife - cool mix
Shake & sow - Flowers for wildlife - cool mix
£7.99 £5.59
sold out
Johnsons mowable natures lawn seed
Johnsons mowable nature's lawn seed
£12.99
available to order from autumn
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Seeds to sow outside in May 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 May 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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