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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.

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Used at Chelsea
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Available items
Showing Flowering month : May clear all
1004 items
Hydrangea petiolaris

20% off

Hydrangea petiolaris
£11.99 - £79.99
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
10 litre pot | 80 - 100cm tall available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.7 5 41
Hydrocotyle novae-zeelandiae

20% off

Hydrocotyle novae-zeelandiae
£17.59 - £31.99
1 litre aquatic pot Delivery by trusted supplier within 1 week
3 × 9cm pots Delivery by trusted supplier within 1 week
3 × 1 litre aquatic pots Delivery by trusted supplier within 1 week
Iberis sempervirens Appen-Etz

20% off

Iberis sempervirens 'Appen-Etz'
£7.19 - £15.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Ilex aquifolium

20% off

Ilex aquifolium
£7.99 - £38.35
9cm pot In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
Ilex aquifolium Alaska

50% off

Ilex aquifolium 'Alaska'
£36.99 £18.50
3 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Ilex aquifolium Argentea Marginata

20% off

Ilex aquifolium 'Argentea Marginata'
£38.99 £31.19
3 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 4
Ilex aquifolium J.C. van Tol

20% off

Ilex aquifolium 'J.C. van Tol'
£31.19 - £95.99
3 litre pot shipped within 2 weeks
10 litre pot | 1 - 1.2m tall available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9
Ilex × altaclerensis Golden King

20% off

Ilex × altaclerensis 'Golden King'
£30.39 - £71.99
2 litre pot 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 5.0 5 3
Indigofera himalayensis Silk Road

30% off

Indigofera himalayensis 'Silk Road' (PBR)
£42.99 £30.09
2 litre pot In stock (shipped within 2-3 working days)
Iris Alaska

20% off

Iris 'Alaska'
£3.99 - £10.80
10 × bulbs Delivered during October
30 × bulbs Delivered during October
Iris Black Dragon

20% off

Iris 'Black Dragon'
£5.59 - £14.40
1 × rhizome Delivered during October
3 × rhizomes Delivered during October
Iris Black Gamecock

20% off

Iris 'Black Gamecock'
£11.99 - £39.99
3 litre aquatic pot In stock (shipped within 2-3 working days)
1 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
Iris Burgermeister

20% off

Iris 'Burgermeister'
£6.39 - £12.78
1 × rhizome Delivered during October
2 + 1 FREE rhizomes Delivered during October
Iris Butter and Sugar

20% off

Iris 'Butter and Sugar'
£19.99 - £39.99
2 litre pot 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 5.0 5 1
Iris Caesar's Brother

20% off

Iris 'Caesar's Brother'
£10.39 - £43.99
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)
0 star 1 star 1 star 1 star 1 star 4.0 5 2
Iris Champagne Elegance

20% off

Iris 'Champagne Elegance'
£5.59 - £14.40
1 × rhizome Delivered during October
3 × rhizomes Delivered during October
Iris Edith Wolford

20% off

Iris 'Edith Wolford'
£6.39 - £12.78
1 × rhizome Delivered during October
2 + 1 FREE rhizomes Delivered during October
Iris English Cottage

20% off

Iris 'English Cottage'
£6.39 - £12.78
1 × rhizome Delivered during October
2 + 1 FREE rhizomes Delivered during October
Iris Flight of Butterflies

50% off

Iris 'Flight of Butterflies'
£11.50 - £29.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Iris Golden Edge

New

20% off

Iris 'Golden Edge'
£19.99 - £46.39
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Iris Maid of Orange

20% off

Iris 'Maid of Orange'
£6.39 - £16.80
1 × rhizome Delivered during October
3 × rhizomes Delivered during October
Iris Mystic Beauty

20% off

Iris 'Mystic Beauty'
£4.79 - £12.00
10 × bulbs Delivered during September
30 × bulbs Delivered during September
Iris Perry's Blue

20% off

Iris 'Perry's Blue'
£10.39 - £49.99
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
Iris Purple Sensation

20% off

Iris 'Purple Sensation'
£4.79 - £9.60
20 × bulbs Delivered during September
60 × bulbs Delivered during September
Iris Ruffled Velvet

50% off

Iris 'Ruffled Velvet'
£11.50 - £24.99
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
Iris Silver Edge

20% off

Iris 'Silver Edge'
£19.99 - £47.99
2 litre pot 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
Iris Silvery Beauty

20% off

Iris 'Silvery Beauty'
£7.99 - £20.80
20 × bulbs Delivered during September
60 × bulbs Delivered during September
0 star 1 star 1 star 1 star 1 star
Iris Symphony

20% off

Iris 'Symphony'
£5.59 - £11.18
20 × bulbs Delivered during September
40 + 20 FREE bulbs Delivered during September
Iris Tropic Night

20% off

Iris 'Tropic Night'
£19.99 - £47.99
2 litre pot 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
Iris Valentine

20% off

Iris 'Valentine'
£5.59 - £14.40
20 × bulbs Delivered during September
60 × bulbs Delivered during September
Iris White Van Vliet

20% off

Iris 'White Van Vliet'
£5.59 - £11.18
20 × bulbs Delivered during September
40 + 20 FREE bulbs Delivered during September
Iris chrysographes black-flowered

20% off

Iris chrysographes 'black-flowered'
£10.39 - £47.99
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
Iris collection

20% off

Iris collection
£19.16 - £38.32
1 × collection | 3 rhizomes Delivered during October
2 + 1 FREE collections | 9 rhizomes Delivered during October
Iris louisiana Hybrids

20% off

Iris louisiana Hybrids
£34.99 £27.99
3 litre aquatic pot Delivery by trusted supplier within 1 week
John's double jewels tulip collection

20% off

John's double Jewels and orange tulip collection
£25.16 - £50.32
1 × collection | 28 bulbs Delivered during September
2 + 1 FREE collections | 84 bulbs Delivered during September
Johnsons mowable natures lawn seed

25% off

Johnsons mowable nature's lawn seed
£12.99 £9.74
425g pack | covers 20m² In stock (shipped within 2-3 working days)
Kalmia latifolia Little Linda

20% off

Kalmia latifolia 'Little Linda'
£47.99 £38.39
3 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Kalmia latifolia f. myrtifolia Elf

20% off

Kalmia latifolia f. myrtifolia 'Elf'
£39.99 £31.99
3 litre pot In stock (shipped within 2-3 working days)
Kolkwitzia amabilis Pink Cloud

New

Up to 40%

Kolkwitzia amabilis 'Pink Cloud'
£7.19 - £22.39
9cm pot In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
La reine de la belle tulip collection

New

20% off

La reine de la belle tulip collection
£11.96 - £23.92
1 × collection | 12 bulbs Delivered during September
2 + 1 FREE collections | 36 bulbs Delivered during September
Lamium maculatum Beacon Silver

20% off

Lamium maculatum 'Beacon Silver'
£7.19 - £30.39
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)
0.5 star 1 star 1 star 1 star 1 star
Lamium maculatum White Nancy

20% off

Lamium maculatum 'White Nancy'
£7.19 - £27.99
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)
Lamium orvala

20% off

Lamium orvala
£7.19 - £15.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Lamprocapnos spectabilis

20% off

Lamprocapnos spectabilis
£7.99 - £31.99
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
1 star 1 star 1 star 1 star 1 star
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