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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.

Results found: 728
New
Polemonium Violet Heart ('tuipol') (PBR)

40% off

From £7.79
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Pollinator
Achillea millefolium Pomegranate (Tutti Frutti Series)
From £9.99
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RHS award of garden merit
Nepeta racemosa Walker's Low
From £8.99
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Pollinator
Erysimum Winter Orchid ('Innerywinorch') (PBR)
From £9.99
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RHS award of garden merit
Hydrangea petiolaris
From £22.95
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Pollinator
Geranium Dreamland ('Bremdream') (PBR)
From £11.99
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RHS award of garden merit
Brunnera macrophylla Jack Frost (PBR)
From £12.99
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Pollinator
Euphorbia characias subsp. wulfenii
From £9.99
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Pollinator
Geranium × johnsonii Johnson's Blue
From £8.99
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RHS award of garden merit
Euphorbia amygdaloides var. robbiae

20% off

From £7.19
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RHS award of garden merit
Tiarella Spring Symphony (PBR)

20% off

From £8.79
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RHS award of garden merit
Photinia × fraseri Red Robin

40% off

From £19.99
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Pollinator
Salvia rosmarinus
From £3.29
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RHS award of garden merit
Viburnum opulus Roseum
From £24.75
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Pollinator
Galium odoratum

20% off

From £8.99
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Pollinator
Euphorbia Miners Merlot (PBR)
From £12.99
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Geum Mai Tai (PBR) (Cocktail Series)

20% off

From £10.39
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RHS award of garden merit
Oenothera lindheimeri
From £8.99
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RHS award of garden merit
Phlomis russeliana
From £9.99
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Vinca minor f. alba Gertrude Jekyll

20% off

From £7.99
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Magnolia × soulangeana

20% off

From £27.99
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RHS award of garden merit
Salvia rosmarinus Miss Jessopp's Upright

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From £7.99
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Pollinator
Cornus alba Sibirica

20% off

From £16.79
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Pollinator
Digitalis purpurea Excelsior Group
From £3.49
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Anthriscus sylvestris Ravenswing

20% off

From £9.59
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Pollinator
Digitalis purpurea Sutton's Apricot

20% off

From £2.69
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RHS award of garden merit
Geranium sanguineum Album

40% off

From £5.99
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Pollinator
Geranium × oxonianum Wargrave Pink

20% off

From £9.99
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Pollinator
Erysimum Constant Cheer
From £8.99
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Tiarella Sugar and Spice (PBR)

40% off

From £7.19
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RHS award of garden merit
Tiarella Pink Skyrocket (PBR)

20% off

From £8.79
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Pollinator
Geranium nodosum

20% off

From £7.99
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Pollinator
Achillea millefolium Cerise Queen

Up to 40%

From £5.39
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RHS award of garden merit
Geranium Ann Folkard
From £11.99
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Pollinator
Salvia verticillata Purple Rain

20% off

From £7.99
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Cephalaria gigantea

20% off

From £9.59
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RHS award of garden merit
Brunnera macrophylla Mister Morse (PBR)
From £14.99
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Pollinator
Achillea millefolium Lilac Beauty

40% off

From £5.99
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RHS award of garden merit
Digitalis × mertonensis

20% off

From £4.49
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Pollinator
Papaver (Oriental Group) Patty's Plum

40% off

From £7.19
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Pollinator
Oenothera lindheimeri Rosyjane ('Harrosy') (PBR)
From £9.99
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Pollinator
Euphorbia × martini

40% off

From £5.99
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Pollinator
Euphorbia amygdaloides Purpurea
From £9.99
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RHS award of garden merit
Pulmonaria Blue Ensign

20% off

From £7.99
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RHS award of garden merit
Geranium pratense Mrs Kendall Clark
From £11.99
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RHS award of garden merit
Euphorbia palustris

20% off

From £7.99
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RHS award of garden merit
Astilbe Fanal (x arendsii)
From £10.99
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Pollinator
Bergenia Abendglut

20% off

From £8.79
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RHS award of garden merit
Ajuga reptans Catlin's Giant
From £7.99
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RHS award of garden merit
Pulmonaria Diana Clare
From £11.99
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Pollinator
Pulmonaria Shrimps on the Barbie
From £12.99
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Pollinator
Euphorbia × martinii Walberton’s Little Treasure (PBR)

40% off

From £8.39
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New
Amsonia String Theory
From £12.99
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Trollius × cultorum Taleggio

20% off

From £10.39
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RHS award of garden merit
Tiarella Angel Wings ('Gowing') (PBR) (Fox Series)

20% off

From £10.39
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Silene flos-cuculi Petit Henri ('Iflyph')

40% off

From £7.79
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Pollinator
Papaver (Oriental Group) Pink Perfection
From £14.99
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Pollinator
Papaver (Oriental Group) Red Rumble ('HG01') (PBR)
From £13.99
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Pollinator
Geranium phaeum Joseph Green

40% off

From £7.79
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Pollinator
Iris Benton Nigel
From £29.99
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Pollinator
Iris Benton Diedre

20% off

From £19.99
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Pollinator
Iris Benton Susan
From £24.99
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Geum Orange Pumpkin (PBR)
From £13.99
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Pollinator
Verbascum Chantilly
From £14.99
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Arenaria montana Snow White

20% off

From £6.39
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Pollinator
Armeria maritima Morning Star White
From £7.99
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Acanthus hungaricus White Lips

40% off

From £7.79
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Viola Etain
From £7.99
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Pollinator
Erysimum Red Jep
From £9.99
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Lamium orvala

40% off

From £5.39
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Pollinator
Lamium maculatum White Nancy

20% off

From £7.19
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Diascia personata Hopleys
From £9.99
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RHS award of garden merit
Glandora prostrata Heavenly Blue

40% off

From £5.39
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× Heucherella Brass Lanterns (PBR)

40% off

From £7.79
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Dianthus Mojito ('WP15 PIE41') (PBR)
From £7.99
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Dianthus Stargazer ('WP13 GIL05') (PBR) (Whetman Stars Series)
From £7.99
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Pollinator
Geranium himalayense Gravetye

20% off

From £7.99
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Lupinus Red Rum (PBR)
From £12.99
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Helianthemum Cerise Queen

40% off

From £5.39
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RHS award of garden merit
Helianthemum The Bride
From £8.99
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RHS award of garden merit
Phlox douglasii Crackerjack
From £8.99
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Phlox subulata Amazing Grace
From £8.99
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RHS award of garden merit
Brunnera macrophylla Looking Glass (PBR)
From £12.99
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RHS award of garden merit
Armeria maritima Splendens

20% off

From £6.39
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RHS award of garden merit
Libertia chilensis

20% off

From £12.99
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Pollinator
Euphorbia epithymoides
From £9.99
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Pollinator
Oenothera lindheimeri Whiskers Deep Rose
From £9.99
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Baptisia Dutch Chocolate (Decadence Series)
From £12.99
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RHS award of garden merit
Geum Scarlet Tempest ('Macgeu001') (PBR) (Tempest Series)
From £14.99
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Delosperma White Wonder ('Wowdw7') (Wheels of Wonder Series) (PBR)

20% off

From £6.39
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Pollinator
Centaurea montana Purple Heart
From £10.99
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RHS award of garden merit
Pulmonaria Opal ('Ocupol')

20% off

From £7.99
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