loading
Close
Sort by
Show
By type
Facing
How much sun
Soil type
Special conditions
Curated Collections
RHS gifting
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Indoor plants by room
Bulb planting time
Bulb divisions
Depth of water
Bedding planting time
Chelsea plant of year
Fruit pollination group
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Planting combinations
Sale
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Kitchen garden planting guidelines

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.

Results found: 1447
RHS award of garden merit
Ceanothus Concha
From £24.99
View options
RHS award of garden merit
Ceanothus Skylark
From £22.99
View options
RHS award of garden merit
Choisya × dewitteana White Dazzler ('Londaz') (PBR)
From £24.75
View options
RHS award of garden merit
Exochorda × macrantha The Bride
From £34.99
View options
RHS award of garden merit
Skimmia japonica Rubella
From £12.99
View options
RHS award of garden merit
Osmanthus × burkwoodii
From £24.99
View options
RHS award of garden merit
Pittosporum tenuifolium Tom Thumb
From £29.99
View options
Viburnum × burkwoodii
From £36.99
View options
RHS award of garden merit
Ceanothus Puget Blue
From £22.99
View options
RHS award of garden merit
Magnolia Susan

20% off

From £39.99
View options
Pollinator
Salvia rosmarinus Prostratus Group
From £7.99
View options
RHS award of garden merit
Skimmia × confusa Kew Green
From £26.99
View options
RHS award of garden merit
Vinca minor Atropurpurea
From £7.99
View options
Become an RHS Member today and save 25% on your first year