Free standard delivery when you spend £75 on plants | T&Cs apply

The bulb shop is now open | Shop now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Seeds to sow indoors in May

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

Showing results for evergreen
Search instead for evergree
By type
Facing
Soil type
Special conditions
Sunlight
Flowering month
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Rate of Growth
Eventual size
Special features
Sowing month outside
Vegetable harvesting month
Multibuy packs
Planting combinations
Hardiness
Leaf colour
Ground cover
Position
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by popularity
All items
Showing Seeds Sowing month inside or protected : May clear all
19 items
Digitalis purpurea Sutton's Apricot

Best Seller

25% off

Digitalis purpurea 'Sutton's Apricot'
From £2.02
approx 150 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0.5 star 1 star 1 star 1 star 3.4 5 8 (8)
Aubrieta Purple Cascade (Cascade Series) F1

25% off

Aubrieta 'Purple Cascade' (Cascade Series) F1
£3.49 £2.62
approx 400 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 4 (4)
Cerinthe major Purpurascens

25% off

Cerinthe major 'Purpurascens'
From £2.62
approx 12 seeds
0.75 star 1 star 1 star 1 star 1 star 4.8 5 13 (13)
Pastels cutting garden collection

25% off

Pastels cutting garden collection
£28.62 £21.46
1 × collection
Cobaea scandens f. alba

25% off

Cobaea scandens f.alba
£3.69 £2.77
approx 15 seeds
0 star 0 star 0.75 star 1 star 1 star 2.8 5 4 (4)
Cosmos bipinnatus Hummingbird Lilac

25% off

Cosmos bipinnatus 'Hummingbird Lilac'
£3.49 £2.62
approx 40 seeds
Viola × wittrockiana Frizzle Sizzle Burgundy F1 (Frizzle Sizzle Series)

25% off

pansy 'Frizzle Sizzle Burgundy' (Frizzle Sizzle Series) F1
From £3.74
approx 25 seeds
Viola odorata

25% off

Viola odorata
From £2.47
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Ajuga reptans

25% off

Ajuga reptans
£2.99 £2.24
approx 50 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 3 (3)
Viola Vivaldi Beacon

New

Viola 'Vivaldi Beacon'
£4.99
approx 20 seeds
rue

25% off

rue
£3.29 £2.47
approx 250 seeds
Ocimum basil Duo mixture

New

25% off

basil 'Duo mixture'
£2.99 £2.24
approx 500 seeds
chilli Jalapeño

25% off

chilli 'Jalapeño'
From £1.87
approx 15 seeds
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
melon Charentais

25% off

melon 'Charentais'
£2.49 £1.87
approx 8 seeds
melon Honey Drops Dara

New

25% off

melon 'Honey Drops Dara'
£3.99 £2.99
approx 5 seeds
Lunaria annua Chedglow
Lunaria annua 'Chedglow'
From £3.74
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Cobaea scandens
Cobaea scandens
£3.19 £2.39
available to order from autumn
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Viola × wittrockiana Frizzle Sizzle Blue F1 (Frizzle Sizzle Series)
pansy 'Frizzle Sizzle Blue' (Frizzle Sizzle Series) F1
From £2.62
available to order from autumn
Cardamine pratensis
Cardamine pratensis
From £2.99
available to order from spring 2027

Seeds to sow indoors 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 indoors 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.

Copyright © Crocus.co.uk Ltd 2026. All rights reserved.

Contact us
Terms
Privacy
Cookies

© Crocus.co.uk Ltd 2026. All rights reserved.