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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
Chelsea plant of year
Fruit pollination group
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at Chelsea
Kitchen garden planting guidelines
Sort by lowest price
Available items
Showing Flowering month : May clear all
739 items
Centaurea montana Purple Heart

25% off

Centaurea montana 'Purple Heart'
£7.49 - £17.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7
Calibrachoa Cabaret Early Light Pink Eye (Cabaret Series)

New

25% off

Calibrachoa 'Cabaret Early Light Pink Eye' (Cabaret Series)
£5.24 - £14.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Delphinium Astolat Group

25% off

Delphinium 'Astolat Group'
£7.49 - £17.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star 4.0 5 1
Pulmonaria Blue Ensign

25% off

Pulmonaria 'Blue Ensign'
£7.49 - £29.99
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 4
Petunia Designer Cappuccino (Designer Series)

New

25% off

Petunia Designer Cappuccino Designer Series
£5.24 - £14.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Molinia caerulea subsp. caerulea Heidebraut

25% off

Molinia caerulea subsp. caerulea 'Heidebraut'
£7.49 - £29.99
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)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3
Euphorbia characias subsp. wulfenii

25% off

Euphorbia characias subsp. wulfenii
£7.49 - £37.49
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 21
Anemone sylvestris

25% off

Anemone sylvestris
£8.06 - £15.56
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 13
Epimedium grandiflorum Lilafee

25% off

Epimedium grandiflorum 'Lilafee'
£8.24 - £18.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 5
Geranium phaeum var. phaeum Samobor

25% off

Geranium phaeum var. phaeum 'Samobor'
£8.24 - £18.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Epimedium × versicolor Sulphureum

25% off

Epimedium × versicolor 'Sulphureum'
£8.24 - £18.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Epimedium × warleyense

25% off

Epimedium × warleyense
£8.24 - £18.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.5 5 4
Amsonia tabernaemontana var. salicifolia

25% off

Amsonia tabernaemontana var. salicifolia
£8.24 - £19.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Epimedium × perralchicum Fröhnleiten

25% off

Epimedium × perralchicum 'Fröhnleiten'
£8.24 - £18.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.4 5 8
Blue and white cutting garden collection

25% off

Blue & white cutting garden collection
£11.06 £8.30
1 × collection In stock (shipped within 2-3 working days)
Corydalis calycosa

New

25% off

Corydalis calycosa
£8.99 - £20.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Butterfly mat seed carpet

25% off

Butterfly mat seed carpet
£11.99 £8.99
seed mat In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Amsonia Blue Ice

25% off

Amsonia 'Blue Ice'
£8.99 - £37.49
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Anemone leveillei

25% off

Anemone leveillei
£8.99 - £35.99
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)
0 star 0.25 star 1 star 1 star 1 star 3.3 5 4
Bergenia Baby Doll

25% off

Bergenia 'Baby Doll'
£8.99 - £37.49
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)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4
Amsonia tabernaemontana Storm Cloud

25% off

Amsonia tabernaemontana 'Storm Cloud'
£8.99 - £20.06
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Iris setosa

25% off

Iris setosa
£8.99 - £22.49
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
Acanthus mollis

25% off

Acanthus mollis
£8.99 - £39.74
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Geranium × oxonianum Dusky Rose

New

25% off

Geranium × oxonianum 'Dusky Rose'
£8.99 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Seedballs make your own native flowers seedbombs kit

25% off

Seedballs make your own native flowers seedbombs kit
£11.99 £8.99
makes 50 - 60 seedballs In stock (shipped within 2-3 working days)
Geranium phaeum Joseph Green

New

25% off

Geranium phaeum 'Joseph Green'
£9.71 - £14.96
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Baptisia Lemon Meringue (Decadence Series)

25% off

Baptisia 'Lemon Meringue' (Decadence Series)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Epimedium Pretty in Pink (PBR)

New

25% off

Epimedium 'Pretty in Pink' (PBR)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Geranium cinereum Jolly Jewel Raspberry ('Noortjjrab')

New

25% off

Geranium (Cinereum Group) Jolly Jewel Raspberry ('Noortjjrab)
£9.74 - £23.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Polemonium reptans Stairway to Heaven (PBR)

25% off

Polemonium reptans 'Stairway to Heaven' (PBR)
£9.74 - £20.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
× Heucherella Solar Eclipse

25% off

× Heucherella 'Solar Eclipse'
£9.74 - £39.74
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
Geum Orange Pumpkin (PBR)

New

25% off

Geum 'Orange Pumpkin' (PBR)
£9.74 - £23.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Verbascum Sugar Plum (PBR)

25% off

Verbascum 'Sugar Plum' (PBR)
£9.74 - £14.96
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Baptisia Dutch Chocolate (Decadence Series)

25% off

Baptisia 'Dutch Chocolate' (Decadence Series)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Pulmonaria Silver Bouquet (PBR)

25% off

Pulmonaria 'Silver Bouquet' (PBR)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0.5 star 1 star 1 star 1 star
Iris Perry's Blue

25% off

Iris 'Perry's Blue'
£9.74 - £37.49
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
Lupinus Red Rum (PBR)

25% off

Lupinus 'Red Rum' (PBR)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Iris chrysographes black-flowered

25% off

Iris chrysographes 'black-flowered'
£9.74 - £44.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Lychnis flos-cuculi Alba

25% off

Lychnis flos-cuculi 'Alba'
£9.74 - £25.50
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Rhodohypoxis Beverly (PBR)

25% off

Rhodohypoxis 'Beverly' (PBR)
£9.74 - £24.74
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Smyrnium perfoliatum

New

25% off

Smyrnium perfoliatum
£2.99 - £22.49
approx 20 seeds In stock (shipped within 2-3 working days)
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Lupinus Persian Slipper (PBR)

25% off

Lupinus 'Persian Slipper' (PBR)
£9.74 - £44.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Acanthus hungaricus White Lips

25% off

Acanthus hungaricus 'White Lips'
£9.74 - £33.74
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)
Brachyscome Royal Blue

25% off

Brachyscome 'Royal Blue'
£5.24 - £19.48
9cm pot In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Brunnera macrophylla Looking Glass (PBR)

25% off

Brunnera macrophylla 'Looking Glass' (PBR)
£9.74 - £22.49
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Carex oshimensis Everest ('Fiwhite') (PBR)

25% off

Carex oshimensis Everest ('Fiwhite') (PBR)
£9.74 - £37.49
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0.5 star 1 star 1 star 1 star
Seedballs bee matchboxes seedbombs

25% off

Seedballs bee matchboxes
£12.99 £9.74
set of 3 matchboxes In stock (shipped within 2-3 working days)
Polygonatum × hybridum

25% off

Polygonatum × hybridum
£9.74 - £41.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Brunnera macrophylla Jack Frost (PBR)

25% off

Brunnera macrophylla 'Jack Frost' (PBR)
£9.74 - £37.49
9cm pot In stock (shipped within 2-3 working days)
2 litre 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)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star
Elegant cutting garden collection

25% off

Elegant cutting garden collection
£13.06 £9.80
1 × collection In stock (shipped within 2-3 working days)
Viscaria Plena

New

25% off

Viscaria 'Plena'
£10.49 - £29.99
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)
Papaver (Oriental Group) Red Rumble ('HG01') (PBR)

New

25% off

Papaver (Oriental Group) Red Rumble ('HG01') (PBR)
£10.49 - £26.24
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Viscaria Cherry Bubbles

New

25% off

Viscaria 'Cherry Bubbles'
£10.49 - £37.49
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)
Ruffling skies cutting garden collection

25% off

Ruffling skies cutting garden collection
£14.65 £10.99
1 × collection In stock (shipped within 2-3 working days)
Aeonium haworthii

New

25% off

Aeonium haworthii
£14.99 £11.24
13cm pot In stock (shipped within 1-2 working days)
Iris ensata Rose Queen

25% off

Iris ensata 'Rose Queen'
£14.99 £11.24
1 litre aquatic pot In stock (shipped within 2-3 working days)
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