RHS Plants
RHS Plants

Shop

Information & Help

My account

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 divisions
Depth of water
Bedding planting time
Chelsea plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Vegetable groups
Multibuy packs
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Kitchen garden planting guidelines

Plants that Flower in September

The heat may be starting to fade, but that does not mean the colour should. Keep it fresh with asters, phlox and late-flowering anemones.

Results found: 1086
Hydrangea Boléro Blue
Hydrangea 'Boléro Blue'
£24.99
View details
New
Hydrangea arborescens Bellaragazza Limetta ('Ncha8') (PBR)
Hydrangea arborescens Belleragazza Limetta ('Ncha8') (PBR)
£29.99
View details
New
Hydrangea arborescens FlowerWOW (´BALful´) (PBR)
Hydrangea arborescens FlowerWOW (´BALful´) (PBR)
From £34.99
View options
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
From £34.99
View options
Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)
Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)
£39.99
View details
Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)
Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)
From £36.99
View options
Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)
Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)
£37.99
View details
Hydrangea macrophylla Blue
Hydrangea macrophylla 'Blue'
£19.99
View details
Hydrangea macrophylla Dark Angel Red
Hydrangea macrophylla 'Dark Angel Red'
£17.99
View details
Hydrangea macrophylla Kardinal Violet
Hydrangea macrophylla 'Kardinal Violet'
£19.99
View details
RHS award of garden merit
Hydrangea macrophylla Koria (PBR)
Hydrangea macrophylla 'Koria' (PBR)
£19.99
View details
RHS award of garden merit
Hydrangea macrophylla Lanarth White
Hydrangea macrophylla 'Lanarth White'
From £19.99
View options
Hydrangea macrophylla Little Pink
Hydrangea macrophylla 'Little Pink'
£17.99
View details
Hydrangea macrophylla Little Purple
Hydrangea macrophylla 'Little Purple'
£19.99
View details
Hydrangea macrophylla Little White
Hydrangea macrophylla 'Little White'
£17.99
View details
Hydrangea macrophylla Deep Purple Dance ('Schrolla02') (PBR) (Music Series)
Hydrangea macrophylla Deep Purple Dance ('Schrolla02')(PBR) (Music Series)
£19.99
View details
Hydrangea macrophylla Glam Rock ('Horwack') (PBR)
Hydrangea macrophylla Glam Rock ('Horwack') (PBR)
From £19.99
View options
Hydrangea macrophylla Love ('Youme H1917') (PBR)
Hydrangea macrophylla Love ('Youme H1917') (PBR)
£24.99
View details
Hydrangea macrophylla You & Me Together ('Youmefive') (PBR)
Hydrangea macrophylla You & Me Together ('Youmefive') (PBR)
£24.99
View details
Hydrangea Miss Saori ('H2002') (PBR)
Hydrangea Miss Saori ('H2002') (PBR)
£28.99
View details
Hydrangea paniculata Bombshell (PBR)
Hydrangea paniculata 'Bombshell' (PBR)
£28.99
View details
Hydrangea paniculata Confetti ('Vlasveld 02') (PBR)
Hydrangea paniculata Confetti ('Vlasveld 02') (PBR)
£24.99
View details
Hydrangea paniculata Fire Light ('Smhpfl') (PBR)
Hydrangea paniculata Fire Light ('Abetwo') (PBR)
£49.99
View details
Hydrangea paniculata Polestar ('Breg14') (PBR)
Hydrangea Polestar ('Breg14') (PBR)
£24.75
View details
Hydrangea quercifolia
Hydrangea quercifolia
£89.99
View details
RHS award of garden merit
Hydrangea quercifolia Snowflake ('Brido')
Hydrangea quercifolia Snowflake ('Brido')
£27.99
View details
RHS award of garden merit
Hypericum × hidcoteense Hidcote
Hypericum × hidcoteense 'Hidcote'
£17.99
View details
Hypericum × inodorum Magical Beauty ('Kolmbeau') (PBR) (Magical Series)
Hypericum × inodorum Magical Beauty ('Kolmbeau') (PBR)
£24.99
View details
Hypericum × moserianum Tricolor
Hypericum × moserianum 'Tricolor'
£17.99
View details
RHS award of garden merit
Itea ilicifolia

15% off

Itea ilicifolia
£44.99 £38.24
View details
RHS award of garden merit
Lavandula angustifolia Miss Katherine
Lavandula angustifolia 'Miss Katherine'
£19.99
View details
Pollinator
Lavandula × intermedia Platinum Blonde ('Momparle') (PBR)
Lavandula × intermedia Platinum Blonde ('Momparler') (PBR)
£17.99
View details
Leycesteria formosa Purple Rain
Leycesteria formosa 'Purple Rain'
£22.99
View details
RHS award of garden merit
Leycesteria formosa Golden Lanterns ('Notbruce') (PBR)
Leycesteria Golden Lanterns ('Notbruce') (PBR)
£22.99
View details
RHS award of garden merit
Magnolia liliiflora Nigra
Magnolia liliiflora 'Nigra'
From £49.99
View options
Pollinator
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
Mahonia eurybracteata subsp. ganpinensis Meteor ('Hillmah') (PBR)
£59.99
View details
Pollinator
Malva × clementii Barnsley Baby
Malva × clementii 'Barnsley Baby'
£21.99
View details
Pollinator
Malva × clementii Barnsley
Malva × clementii 'Barnsley'
£21.99
View details
RHS award of garden merit
Malva × clementii Bredon Springs
Malva × clementii 'Bredon Springs'
£22.99
View details
RHS award of garden merit
Malva × clementii Rosea
Malva × clementii 'Rosea'
£24.99
View details
Parahebe catarractae Avalanche (PBR)
Parahebe catarractae 'Avalanche' (PBR)
£24.99
View details
Pollinator
Perovskia Bluesette
Perovskia 'Bluesette'
From £9.99
View options
Pollinator
Perovskia Lacey Blue ('Lisslitt') (PBR)
Perovskia Lacey Blue ('Lisslitt') (PBR)
£19.99
View details
Pollinator
Perovskia Silvery Blue ('Lissvery') (PBR)
Perovskia Silvery Blue ('Lissvery') (PBR)
£19.99
View details
Phormium Platt's Black
Phormium 'Platt's Black'
£36.99
View details
RHS award of garden merit
Potentilla fruticosa Pink Beauty
Potentilla fruticosa 'Pink Beauty' (PBR)
£21.99
View details
RHS award of garden merit
Potentilla fruticosa Primrose Beauty
Potentilla fruticosa 'Primrose Beauty'
From £23.99
View options
Pollinator
Potentilla fruticosa Bellissima ('Hachliss') (PBR)
Potentilla fruticosa Bellissima ('Hachliss') (PBR)
£22.99
View details
RHS award of garden merit
Potentilla fruticosa Marian Red Robin ('Marrob')
Potentilla fruticosa Marian Red Robin ('Marrob')
£22.99
View details
Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
Syringa meyeri Flowerfesta Pink ('Anny200817') (PBR) (Flowerfesta Series)
£28.75
View details
Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
Syringa meyeri Flowerfesta White ('Anny200810') (PBR) (Flowerfesta Series)
£34.99
View details
RHS award of garden merit
Tamarix ramosissima Pink Cascade
Tamarix ramosissima 'Pink Cascade'
£24.99
View details
Pollinator
Veronica Mohawk
Veronica 'Mohawk'
£19.99
View details
Pollinator
Veronica Pink Pixie
Veronica 'Pink Pixie'
£19.99
View details
Pollinator
Veronica Starlight ('Marklight')
Veronica Starlight ('Marklight')
£19.99
View details
RHS award of garden merit
Viburnum plicatum f. tomentosum Summer Snowflake
Viburnum plicatum f. tomentosum 'Summer Snowflake'
£32.99
View details
Vinca major
Vinca major
From £22.99
View options
RHS award of garden merit
Vinca major Variegata
Vinca major 'Variegata'
£17.99
View details
Vinca minor Illumination
Vinca minor 'Illumination'
From £7.99
View options
RHS award of garden merit
Vinca minor Ralph Shugert
Vinca minor 'Ralph Shugert'
From £7.99
View options
Weigela All Summer Peach ('Slingpink') (All Summer Series)
Weigela All Summer Peach ('Slingpink') (PBR) (All Summer Series)
£25.99
View details
Weigela All Summer Red ('Slingco1') (PBR) (All Summer Series)
Weigela All Summer Red ('Slingco1') (PBR) (All Summer Series)
£24.99
View details
Pollinator
Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)
Weigela florida All Summer Monet ('Verweig 8') (PBR) (All Summer Series)
£24.99
View details
Weigela Picobella Rosa ('Tvp2') (PBR)
Weigela Picobella Rosa ('Tvp2') (PBR)
£23.99
View details
Pollinator
Arbutus unedo
Arbutus unedo
£29.99
View details
RHS award of garden merit
Heptacodium miconioides
Heptacodium miconioides
From £89.99
View options
Daphne × transatlantica Pink Fragrance ('Blapink') (PBR)
Daphne × transatlantica Pink Fragrance ('Blapink') (PBR)
From £27.99
View options
Dazzling dahlia collection

Up to 50%

Dazzling dahlia collection
£17.95 £10.17
View details
Dahlia Ambition

40% off

Dahlia 'Ambition'
From £3.59
View options
Dahlia Oleda

50% off

Dahlia 'Oleda'
£5.99 £2.99
View details
Pollinator
Dahlia Pepita Pink

50% off

Dahlia 'Pepita Pink'
£5.99 £2.99
View details
Dahlia Cafe au Lait

50% off

Dahlia 'Café au Lait'
From £2.69
View options
Dahlia Verrones Obsidian

40% off

Dahlia 'Verrone's Obsidian'
From £3.23
View options
Dahlia Thomas A. Edison

50% off

Dahlia 'Thomas A. Edison'
From £2.89
View options
RHS award of garden merit
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)

40% off

Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
£5.99 £3.59
View details
RHS award of garden merit
Dahlia American Dawn

40% off

Dahlia 'American Dawn'
From £3.29
View options
Dahlia Missis Amy

40% off

Dahlia 'Missis Amy'
£5.99 £3.59
View details
Dahlia Mount Tacoma

50% off

Dahlia 'Mount Tacoma'
£5.99 £2.99
View details
Pollinator
Dahlia merckii

50% off

Dahlia merckii
From £3.49
View options
RHS award of garden merit
Dahlia Chat Noir
Dahlia 'Chat Noir'
From £5.79
View options
Dahlia Rip City

50% off

Dahlia 'Rip City'
From £2.89
View options
Dahlia Arabian Night

40% off

Dahlia 'Arabian Night'
From £3.59
View options
Pollinator
Dahlia Bishop of Auckland (PBR)

40% off

Dahlia 'Bishop of Auckland' (PBR)
£6.49 £3.89
View details
Pollinator
Dahlia Bishop of Dover

50% off

Dahlia 'Bishop of Dover'
From £2.99
View options
Dahlia Blue Boy

50% off

Dahlia 'Blue Boy'
£5.99 £2.99
View details
Dahlia Orfeo

50% off

Dahlia 'Orfeo'
From £2.99
View options
Dahlia Purple Gem

50% off

Dahlia 'Purple Gem'
£5.99 £2.99
View details
RHS award of garden merit
Dahlia Totally Tangerine

30% off

Dahlia 'Totally Tangerine'
From £3.77
View options
Gladiolus mixed colours

30% off

Gladiolus mixed colours
£12.99 £9.09
View details
RHS award of garden merit
Dahlia Waltzing Mathilda

30% off

Dahlia 'Waltzing Mathilda'
From £4.05
View options
Dahlia Nuit d'Eté

50% off

Dahlia 'Nuit d'Eté'
From £2.89
View options
Dahlia Soulman

50% off

Dahlia 'Soulman'
From £2.99
View options
Pollinator
Dahlia Bayou (PBR)

40% off

Dahlia 'Bayou' (PBR)
From £3.59
View options
RHS award of garden merit
Dahlia David Howard

50% off

Dahlia 'David Howard'
From £2.89
View options
Dahlia French Cancan

50% off

Dahlia 'French Cancan'
From £2.99
View options
Zantedeschia Captain Romance (PBR) (Captain Series)

50% off

Zantedeschia 'Captain Romance' (PBR) (Captain Series)
£6.99 £3.49
View details
Pollinator
Dahlia Honka Fragile

40% off

Dahlia 'Honka Fragile'
From £3.59
View options
RHS award of garden merit
Dahlia Labyrinth

50% off

Dahlia 'Labyrinth'
From £2.99
View options
RHS award of garden merit
Canna Phasion

50% off

Canna 'Phasion'
£11.99 £5.99
View details
Canna indica Tropicanna Gold ('Mactro') (PBR)

50% off

Canna indica Tropicanna Gold ('Mactro') (PBR)
£11.99 £5.99
View details
Become an RHS Member today and save 25% on your first year
Join now

Keep in touch

View our Privacy Policy
Contact us
Cookies
Terms
Privacy

© RHS Enterprises Limited 2026
Registered in England & Wales No. 01211648. | VAT No. GB461532757 | Registered Office: 80 Vincent Square, London, SW1P 2PE.

All sales help fund the charitable work of the RHS.