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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.

By type
Facing
How much sun
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Special conditions
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Evergreen / deciduous
Fragrance
Attractive to wildlife
Rate of Growth
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Bulb divisions
RHS Chelsea Flower Show plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Multibuy packs
Ready made borders
Planting combinations
Hardiness
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by lowest price
All items
Showing Flowering month : September clear all
657 items
Rosa White Pet
Rosa White Pet | Shrub Rose
£34.99
4 litre pot
Mahonia nitens Cabaret (PBR)
Mahonia nitens 'Cabaret' (PBR)
£34.99
2 litre pot
0.75 star 1 star 1 star 1 star 1 star 4.8 5 10 (10)
Hydrangea paniculata Little Lime ('Jane') (PBR)

Best Seller

Hydrangea paniculata Little Lime ('Jane') (PBR)
From £34.99
2 litre pot
12 litre pot | 60 - 80cm tall
3 × 2 litre pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 15 (15)
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
From £34.99
2 litre pot
3 × 2 litre pots
Rosa gallica Versicolor
Rosa gallica Versicolor | Rosa Mundi or Shrub Rose
£34.99
4 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Rosa Mokarosa ('Frywitty') (PBR)
Rosa Mokarosa ('Frywitty') (PBR) | Floribunda Bush Rose
£34.99
4 litre pot
0 star 0 star 0 star 0 star 1 star 1.0 5 1 (1)
Hydrangea hydrangeoides var. hydrangeoides Roseum
Hydrangea hydrangeoides var. hydrangeoides 'Roseum'
£34.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Lobelia erinus Fountain White (Fountain Series)
Lobelia erinus 'Fountain White' (Fountain Series)
£34.99
sold out
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Lobelia erinus Crystal Palace
Lobelia erinus 'Crystal Palace'
£34.99
sold out
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
Callistemon viminalis Hot Pink ('Kkho1') (PBR)
£34.99
available to order from summer
Heather (4 mixed heathers)
Heather collection (4 mixed heathers)
£34.99
4 × 9cm pots
Hydrangea arborescens FlowerWOW (´BALful´) (PBR)

New

Hydrangea arborescens FlowerWOW (´BALful´) (PBR)
From £34.99
1.5 litre pot
Hydrangea arborescens Incrediball ('Abetwo') (PBR)

Best Seller

Hydrangea arborescens Strong Annabelle ('Abetwo') (PBR)
From £35.75
3 litre pot
0.5 star 1 star 1 star 1 star 1 star 4.6 5 42 (42)
Rosa Maigold
Rosa Maigold | Climbing Rose
£36.99
4 litre pot
Romneya coulteri
Romneya coulteri
From £36.99
available to order from summer
0.25 star 1 star 1 star 1 star 1 star 4.3 5 3 (3)
Phormium Platt's Black
Phormium 'Platt's Black'
£36.99
2 litre pot
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Petunia Double Pirouette Series
Petunia 'Double Pirouette Series'
£36.99
sold out
0.75 star 1 star 1 star 1 star 1 star 4.8 5 6 (6)
Impatiens Beacon Select Mixture (Beacon Series)
Impatiens 'Beacon Select Mixture'
£36.99
sold out
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4 (4)
Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)
Hydrangea arborescens Sublime Annabelle ('SMNHRL') (PBR)
From £36.99
2 litre pot
5 litre pot
Rosa Climbing Cécile Brünner
Rosa 'Climbing Cécile Brünner' | Climbing Rose
£37.99
available to order from autumn
1 star 1 star 1 star 1 star 1 star 5.0 5 1 (1)
Rosa Paul's Scarlet Climber
Rosa Paul's Scarlet Climber | Rambling Rose
£37.99
4 litre pot
Rosa Flower Carpet Scarlet ('Noa83100b') (PBR)
Rosa Flower Carpet Scarlet ('Noa83100b') (PBR) | Ground Cover Rose
£37.99
4 litre pot
0 star 1 star 1 star 1 star 1 star (7)
Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)
Hydrangea arborescens Sweet Annabelle ('Ncha4') (PBR)
£37.99
3 litre pot
1 star 1 star 1 star 1 star 1 star (2)
Campsis × tagliabueana Indian Summer ('Kudian') (PBR)
Campsis × tagliabueana Indian Summer ('Kudian') (PBR)
£37.99
3 litre pot | 60cm cane
Campsis × tagliabueana Madame Galen
Campsis × tagliabueana 'Madame Galen'
£37.99
3 litre pot | 60cm cane
Rosa Felicia
Rosa Felicia | Hybrid Musk Rose
£39.99
4 litre pot
Geranium Red Shades
Geranium 'Red Shades'
From £7.99
sold out
0.75 star 1 star 1 star 1 star 1 star (16)
Geranium Showstopper Mixed
Geranium 'Showstopper Mixed'
£39.99
sold out
1 star 1 star 1 star 1 star 1 star (2)
Hydrangea arborescens Pink Annabelle ('Ncha2') (PBR)
Hydrangea arborescens Pink Annabelle ('Ncha2') (PBR)
£39.99
3 litre pot
0.25 star 1 star 1 star 1 star 1 star (3)
Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)
Hydrangea arborescens Ruby Annabelle ('Ncha3') (PBR)
£39.99
3 litre pot
0.75 star 1 star 1 star 1 star 1 star (3)
Rosa Louise Odier
Rosa Louise Odier | Bourbon Bush Rose
£43.99
4 litre pot
Award-winning honeysuckle collection
Award-winning honeysuckle collection
£44.97
available to order from summer
Magnolia grandiflora
Magnolia grandiflora
£44.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (6)
Itea ilicifolia
Itea ilicifolia
£44.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Tropaeolum speciosum
Tropaeolum speciosum
£44.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Petunia Tidal Wave mix
Petunia 'Tidal Wave mix'
£44.99
sold out
Rosa Gartenprinzessin Marie-José ('Korgehaque') (PBR)
Rosa Gartenprinzessin Marie-José ('Korgehaque') (PBR) | Floribunda Rose
£46.99
4 litre pot
Magnolia liliiflora Nigra
Magnolia liliiflora 'Nigra'
From £49.99
2 litre pot | 30cm tall
5 litre pot | 50 - 70cm tall
0.75 star 1 star 1 star 1 star 1 star (3)
Mahonia eurybracteata subsp. ganpinensis Soft Caress
Mahonia eurybracteata subsp. ganpinensis 'Soft Caress' (PBR)
£49.99
2 litre pot
0.75 star 1 star 1 star 1 star 1 star (10)
Hydrangea paniculata Fire Light ('Smhpfl') (PBR)
Hydrangea paniculata Fire Light ('Abetwo') (PBR)
£49.99
5 litre pot
Erigeron karvinskianus & hanging aged ribbed bowl combination
Crocus collection
Mexican fleabane & hanging aged ribbed bowl combination
£55.96 £50.71
Dusky violet shade mini-border collection

New

Dusky violet shade mini-border collection
From £54.99
available to order from summer
Evening sky pollinator mini-border collection

15% off

Evening sky pollinator mini-border collection
From £57.99
6 × 9cm plants
with large zinc dolly pot Ø46 × H40cm
with tall zinc dolly pot - Ø46 × H50cm
Amethyst spires mini-border collection
Amethyst spires mini-border collection
£57.99
available to order from summer
Pollinator's blue mini-border collection
Pollinator's blue mini-border collection
£64.99 £60.65
available to order from summer
Classic cottage mini-border collection
Cottage garden mini-border collection
£64.99
available to order from summer
Soft summer pollinator Mini-border collection

New

15% off

Soft summer pollinator 'Mini-border collection'
From £65.99
6 × 9cm plants
with large zinc dolly pot Ø46 × H40cm
with tall zinc dolly pot - Ø46 × H50cm
Heptacodium miconioides
Heptacodium miconioides
From £71.99
available to order from summer
Cottage garden showstoppers mini-border collection
Cottage garden showstoppers mini-border collection
£71.99
available to order from summer
Hydrangea quercifolia
Hydrangea quercifolia
£89.99
10 litre pot | 40 - 60cm tall
Magnolia grandiflora Little Gem
Magnolia grandiflora 'Little Gem'
From £89.99
5 litre pot | 40 - 50cm tall
1 star 1 star 1 star 1 star 1 star (1)
3 × Erigeron karvinskianus and embossed aged planter
Crocus collection
Erigeron karvinskianus and an embossed aged planter
£100.96 £92.86
Hydrangea Runaway Bride Snow White ('USHYD0405') (PBR)
Hydrangea Runaway Bride Snow White ('USHYD0405') (PBR)
From £44.99
2 litre pot
7 litre pot
0.75 star 1 star 1 star 1 star 1 star (7)
Fatsia japonica
Fatsia japonica
From £26.99
2 litre pot
7.5 litre pot | 60 - 80cm tall
10 litre pot | 60 - 80cm tall
1 star 1 star 1 star 1 star 1 star (13)
Hydrangea and tulip pot combination

15% off

Hydrangea & tulip pot combination
£123.98 £109.73
Magnolia grandiflora Exmouth

20% off

Magnolia grandiflora 'Exmouth'
£179.99 £143.99
10 litre pot | 1.2 - 1.5m tall
Nepeta and terracotta pot combination
Crocus collection
Nepeta & terracotta pot combination
£166.96 £144.46
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