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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
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Evergreen / deciduous
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Attractive to wildlife
Quick growing
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Indoor plants by room
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Chelsea plant of year
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Used at Chelsea
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Sort by availability
All items
Showing Flowering month : May clear all
456 items
Caltha palustris
Caltha palustris
£22.99 - £49.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Caltha polypetala
Caltha polypetala
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Houttuynia cordata Chameleon
Houttuynia cordata 'Chameleon'
£21.99 - £49.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
5 litre aquatic pot available to order from summer
Hydrocotyle sibthorpioides
Hydrocotyle sibthorpioides
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris versicolor
Iris versicolor
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Iris × robusta Gerald Darby
Iris × robusta 'Gerald Darby'
£36.99
3 litre aquatic pot available to order from summer
Mazus reptans Albus
Mazus reptans 'Albus'
£21.99 - £39.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
3 × 9cm pots available to order from summer
Menyanthes trifoliata
Menyanthes trifoliata
£21.99 - £39.99
1 litre aquatic pot available to order from summer
3 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Mimulus luteus Queens Prize
Mimulus luteus 'Queens Prize'
£21.99 - £39.99
3 × 9cm pots Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
Nasturtium officinale
Nasturtium officinale
£27.99 - £39.99
3 × 9cm pots available to order from summer
3 × 1 litre pots available to order from summer
Orontium aquaticum
Orontium aquaticum
£24.99 - £39.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Veronica beccabunga
Veronica beccabunga
£14.99 - £39.99
1 litre aquatic pot available to order from summer
3 × 9cm pots available to order from summer
3 × 1 litre aquatic pots available to order from summer
Zantedeschia aethiopica Crowborough
Zantedeschia aethiopica 'Crowborough'
£14.99 - £47.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
5 litre aquatic pot Delivery by trusted supplier within 1 week
1 litre aquatic pot available to order from summer
3 × 1 litre aquatic pots available to order from summer
0 star 0.5 star 1 star 1 star 1 star 3.5 5 4
Achillea Lachsschönheit' (Galaxy Series)
Achillea 'Lachsschönheit' (Galaxy Series)
£10.99 - £42.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Amsonia String Theory

New

Amsonia 'String Theory'
£12.99
9cm pot available to order from autumn
Anthriscus sylvestris
Anthriscus sylvestris
£9.99 - £37.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Anthriscus sylvestris Ravenswing
Anthriscus sylvestris 'Ravenswing'
£11.99 - £44.99
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.6 5 21
Aquilegia chrysantha Yellow Queen
Aquilegia chrysantha 'Yellow Queen'
£9.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9
Aquilegia oxysepala
Aquilegia oxysepala
£3.99 £2.99
approx 30 seeds available to order from autumn
0 star 0 star 0 star 0 star 1 star 1.0 5 1
Aquilegia vulgaris var. stellata Black Barlow (Barlow Series)
Aquilegia vulgaris var. stellata 'Black Barlow'
£2.99 - £39.99
approx 40 seeds available to order from autumn
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2
Aquilegia vulgaris var. stellata Blue Barlow (Barlow Series)
Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow Series)
£2.62 - £39.99
approx 40 seeds available to order from autumn
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0 star 0.75 star 1 star 1 star 1 star
Aquilegia vulgaris var. stellata Ruby Port
Aquilegia vulgaris var. stellata 'Ruby Port'
£10.99 - £24.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Aquilegia vulgaris var. stellata White Barlow (Barlow Series)
Aquilegia vulgaris var. stellata 'White Barlow' (Barlow Series)
£9.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Arenaria montana Snow White
Arenaria montana 'Snow White'
£7.99 - £19.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Astrantia major Star of Billion (PBR)

New

Astrantia major 'Star of Billion' (PBR)
£15.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Aubrieta Axcent White (Axcent Series)
Aubrieta 'Axcent White' (Axcent Series)
£8.99 - £21.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Aubrieta gracilis Kitte Blue
Aubrieta gracilis 'Kitte Blue'
£8.99 - £34.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Baptisia Vanilla Cream (Decadence Series)
Baptisia 'Vanilla Cream' (Decadence Series)
£13.99 - £32.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Brunnera macrophylla Looking Glass (PBR)
Brunnera macrophylla 'Looking Glass' (PBR)
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Buddleja globosa
Buddleja globosa
£19.99
2 litre pot available to order from autumn
Campanula portenschlagiana Ambella Intens Purple ('Ptdb141301') (PBR)
Campanula portenschlagiana Ambella Intens Purple ('Ptdb141301') (PBR)
£9.99 - £24.99
10.5cm pot available to order from autumn
3 × 10.5cm pots available to order from autumn
Ceanothus Concha
Ceanothus 'Concha'
£24.99 - £119.99
2 litre pot available to order from autumn
10 litre pot | 60 - 100cm tall trellis available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
Clematis Bijou ('Evipo030') (PBR) (Tudor Patio Series)
£26.95
3 litre pot available to order from autumn
Cornus canadensis
Cornus canadensis
£12.99 - £25.98
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 0.25 star 1 star 1 star 1 star
Corydalis flexuosa China Blue
Corydalis flexuosa 'China Blue'
£10.99 - £27.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Dianthus (Allwoodii Group) Diantica Cremarena
Dianthus (Allwoodii Group) 'Diantica Cremarena'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Diascia Diamond Dark Orange
Diascia 'Diamond Dark Orange'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Diascia Diamond Pink
Diascia 'Diamond Pink'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Diascia Diamond White Blush
Diascia 'Diamond White Blush'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Diascia personata Hopleys
Diascia personata 'Hopleys'
£8.99 - £22.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Digitalis lutea
Digitalis lutea
£8.99 - £37.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Disporum longistylum Green Giant
Disporum longistylum 'Green Giant'
£19.99 - £49.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Disporum longistylum Night Heron
Disporum longistylum 'Night Heron'
£22.99 - £59.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Epimedium × perralchicum Fröhnleiten
Epimedium × perralchicum 'Fröhnleiten'
£11.99 - £25.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Epimedium × warleyense
Epimedium × warleyense
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Epimedium × youngianum Niveum
Epimedium × youngianum 'Niveum'
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 0.75 star 1 star 1 star 1 star
Erysimum Red Jep
Erysimum 'Red Jep'
£8.99 - £37.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Erysimum Winter Orchid ('Innerywinorch') (PBR)
Erysimum Winter Orchid ('Innerywinorch') (PBR)
£8.99 - £36.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
Euphorbia epithymoides
Euphorbia epithymoides
£9.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Euphorbia oblongata
Euphorbia oblongata
£4.29 £3.22
approx 45 seeds available to order from autumn
Euphorbia stygiana Sunny Side Up
Euphorbia stygiana 'Sunny Side Up'
£22.99 - £57.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Euphorbia wallichii
Euphorbia wallichii
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Myosotis sylvatica Mon Amie Blue
forget me not 'Mon Amie Blue'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Myosotis sylvatica Mon Amie White
forget me not 'Mon Amie White'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Gazania Christopher Lloyd
Gazania 'Christopher Lloyd'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Geranium maderense

New

Geranium maderense
£12.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Geranium phaeum
Geranium phaeum
£9.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Geranium phaeum Album
Geranium phaeum 'Album'
£9.99 - £44.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Geranium pyrenaicum Bill Wallis
Geranium pyrenaicum 'Bill Wallis'
£9.99 - £24.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Geranium × johnsonii Johnson's Blue
Geranium × johnsonii 'Johnson's Blue'
£8.99 - £44.99
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)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Geranium × oxonianum Dusky Rose

New

Geranium × oxonianum 'Dusky Rose'
£11.99 - £29.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Gerbera Garvinea Sweet Memories ('Garsweetmemo') (PBR) (Garvinea Sweet Series)
Gerbera Garvinea Sweet Memories ('Garsweetmemo') (Garvinea Sweet Series)
£6.99 - £17.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Gerbera Sweet Glow ('Garglow') (PBR) (Garvinea Sweet Series)
Gerbera Sweet Glow ('Garglow') (PBR) (Garvinea Sweet Series)
£6.99 - £17.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Gerbera 'Sweet Sunset' (Garvinea Sweet Series)
Gerbera Sweet Sunset (Garvinea Sweet Series)
£6.99 - £17.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Geum Mai Tai (PBR) (Cocktail Series)
Geum 'Mai Tai' (PBR) (Cocktail Series)
£12.99 - £49.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
£14.99 - £34.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Helianthemum Wisley Primrose
Helianthemum 'Wisley Primrose'
£8.99 - £37.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Iberis Pink Ice
Iberis 'Pink Ice'
£8.99 - £19.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
Iberis Masterpiece (PBR)
Iberis Masterpiece (PBR)
£8.99 - £39.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Iris Benton Apollo
Iris 'Benton Apollo'
£29.99 - £69.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Iris Benton Caramel
Iris 'Benton Caramel'
£29.99 - £69.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Iris Benton Diedre
Iris 'Benton Diedre'
£29.99 - £69.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Iris Benton Menace
Iris 'Benton Menace'
£29.99 - £69.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Iris Benton Susan
Iris 'Benton Susan'
£29.99 - £69.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 0 star 0 star 1 star 1 star
Iris Black Swan
Iris 'Black Swan'
£27.99 - £59.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0 star 1 star 1 star 1 star 1 star
Iris Dusky Challenger
Iris 'Dusky Challenger'
£24.99 - £59.99
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
Iris Mer du Sud
Iris 'Mer du Sud'
£24.99 - £59.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Iris Superstition
Iris 'Superstition'
£14.99 - £49.99
9cm pot sold out
2 litre pot available to order from autumn
3 × 9cm pots sold out
3 × 2 litre pots available to order from autumn
Iris White Swirl
Iris 'White Swirl'
£24.99 - £54.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Lamprocapnos spectabilis Alba
Lamprocapnos spectabilis 'Alba'
£9.99 - £39.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
6 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Lewisia cotyledon
Lewisia cotyledon
£12.99 - £44.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0 star 0 star 0 star 1 star 1 star
Libertia chilensis
Libertia chilensis
£12.99 - £49.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Linaria purpurea

New

Linaria purpurea
£2.99 £2.24
approx 100 seeds available to order from autumn
Linaria purpurea Canon Went

25% off

Linaria purpurea 'Canon Went'
£2.24 - £39.99
9cm pot shipped within 2 weeks
3 × 9cm pots shipped within 2 weeks
6 × 9cm pots shipped within 2 weeks
approx 100 seeds available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Linaria purpurea Springside White

New

Linaria purpurea 'Springside White'
£3.49 £2.62
approx 40 seeds available to order from autumn
Lunaria annua Corfu Blue

New

Lunaria annua 'Corfu Blue'
£2.99 £2.24
approx 20 seeds available to order from autumn
Lunaria rediviva

New

Lunaria rediviva
£3.99 £2.99
approx 15 seeds available to order from autumn
Lupinus Persian Slipper (PBR)
Lupinus 'Persian Slipper' (PBR)
£12.99 - £59.99
9cm pot available to order from autumn
2 litre pot available to order from autumn
3 × 9cm pots available to order from autumn
3 × 2 litre pots available to order from autumn
Melica altissima Alba

New

Melica altissima 'Alba'
£14.99 - £49.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
1 star 1 star 1 star 1 star 1 star
Nepeta hederacea Variegata
Nepeta hederacea 'Variegata'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Oenothera lindheimeri Whirling Butterflies
Oenothera lindheimeri 'Whirling Butterflies'
£8.99 - £44.99
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)
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
Oenothera lindheimeri Freefolk Rosy ('Harrfolk')
Oenothera lindheimeri Freefolk Rosy ('Harrfolk')
£8.99 - £19.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Paeonia Buckeye Belle
Paeonia 'Buckeye Belle'
£29.99 - £59.98
4 litre pot available to order from autumn
2 + 1 FREE 4 litre pots available to order from autumn
0.5 star 1 star 1 star 1 star 1 star
Paeonia daurica subsp. mlokosewitschii
Paeonia daurica subsp. mlokosewitschii
£39.99 - £89.99
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
Paeonia lactiflora Angel Cheeks
Paeonia lactiflora 'Angel Cheeks'
£29.99 - £59.98
4 litre pot available to order from autumn
2 + 1 FREE 4 litre pots available to order from autumn
0.25 star 1 star 1 star 1 star 1 star
Paeonia lactiflora Jan van Leeuwen
Paeonia lactiflora 'Jan van Leeuwen'
£29.99 - £59.98
4 litre pot available to order from autumn
2 + 1 FREE 4 litre pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
Viola × wittrockiana Cool Wave Fire
pansy 'Cool Wave Fire'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Viola × wittrockiana Cool Wave Morpho
pansy 'Cool Wave Morpho'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Viola × wittrockiana Cool Wave White
pansy 'Cool Wave White'
£6.99 - £13.98
9cm pot available to order from autumn
2 + 1 FREE 9cm pots available to order from autumn
Papaver (Oriental Group) Patty's Plum
Papaver (Oriental Group) 'Patty's Plum'
£11.99 - £44.99
9cm pot available to order from autumn
3 × 9cm pots available to order from autumn
6 × 9cm pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star
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