Free standard delivery when you spend £75 or more on full-priced plants | T&Cs apply

20% off allium bulbs | Preorder now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Plants that Flower in May

Longer days and warmer nights mean that plants are bursting with energy. Zesty colours will come from spurges, rhododendrons and the early-flowering geraniums.

By type
Facing
How much sun
Soil type
Special conditions
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb planting time
Bedding planting time
Sowing month inside or protected
Sowing month outside
Multibuy packs
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by highest price
All items
Showing Flowering month : May clear all
105 items
Aubrieta Purple Cascade (Cascade Series) F1

25% off

Aubrieta 'Purple Cascade' (Cascade Series) F1
£2.24 - £6.00
approx 400 seeds In stock (shipped within 2-3 working days)
3 × packets of seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 4
Ajuga reptans

25% off

Ajuga reptans
£2.99 £2.24
approx 50 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 2
Achillea millefolium

25% off

Achillea millefolium
£2.24 - £34.99
approx 400 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Primula vulgaris

25% off

Primula vulgaris
£2.24 - £34.99
approx 30 seeds In stock (shipped within 2-3 working days)
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 10
Viola tricolor

25% off

heartease
£2.19 £1.64
approx 75 seeds In stock (shipped within 2-3 working days)
< Prev 1 2 Next >

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.