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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
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Used at Chelsea
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Available items
Showing Flowering month : September clear all
912 items
Penstemon Pensham Laura (Pensham Series)
Penstemon 'Pensham Laura' (Pensham Series)
£8.99 - £37.99
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 5.0 5 6
Penstemon Pensham Plum Jerkum (Pensham Series)
Penstemon 'Pensham Plum Jerkum' (Pensham Series)
£8.99 - £49.99
9cm pot In stock (shipped within 2-3 working days)
3 × 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 4.8 5 11
Penstemon Raven (Bird Series)
Penstemon 'Raven' (Bird Series)
£8.99 - £49.99
9cm pot In stock (shipped within 2-3 working days)
3 × 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 4.7 5 3
Penstemon Sour Grapes M. Fish
Penstemon 'Sour Grapes' M. Fish
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0 star 1 star 1 star 1 star 1 star 4.1 5 13
Penstemon White Bedder
Penstemon 'White Bedder'
£8.99 - £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)
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 14
Penstemon digitalis Dakota Burgundy ('Tnpendb') (PBR) (Dakota Series)
Penstemon digitalis Dakota Burgundy ('Tnpendb') (PBR) (Dakota Series)
£9.99 - £23.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Perovskia Blue Spire
Perovskia 'Blue Spire'
£7.99 - £89.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
6 × 2 litre pots In stock (shipped within 2-3 working days)
0.75 star 1 star 1 star 1 star 1 star 4.7 5 34
Perovskia Little Spire (PBR)
Perovskia 'Little Spire' (PBR)
£7.99 - £18.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star 4.6 5 7
Perovskia Lacey Blue ('Lisslitt') (PBR)

40% off

SALE10 for extra 10% off

Perovskia Lacey Blue ('Lisslitt') (PBR)
£19.99 £11.99
2 litre pot In stock (shipped within 2-3 working days)
Perovskia Silvery Blue ('Lissvery') (PBR)

40% off

SALE10 for extra 10% off

Perovskia Silvery Blue ('Lissvery') (PBR)
£19.99 £11.99
2 litre pot In stock (shipped within 2-3 working days)
Petunia Designer Bridal Blush (Designer Series)

50% off

SALE10 for extra 10% off

Petunia Designer Bridal Blush Designer Series
£3.50 - £19.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Petunia Bubbles Butterfly
Petunia 'Bubbles Butterfly'
£6.99 - £13.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
Petunia Tidal Wave Silver (Tidal Wave Series)

50% off

SALE10 for extra 10% off

Petunia 'Tidal Wave Silver' (Tidal Wave Series)
£3.50 - £44.99
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × seedlings | jumbo sold out
10 + 5 FREE seedlings | jumbo sold out
40 + 20 FREE seedlings sold out
Petunia Tumbelina Compact Julianna

50% off

SALE10 for extra 10% off

Petunia 'Tumbelina Compact Julianna'
£3.50 - £19.98
9cm pot In stock (shipped within 2-3 working days)
2 + 1 FREE 9cm pots In stock (shipped within 2-3 working days)
5 × rooted cuttings sold out
10 + 5 FREE rooted cuttings sold out
Phlox paniculata Blue Paradise

30% off

SALE10 for extra 10% off

Phlox paniculata 'Blue Paradise'
£9.99 - £27.99
9cm pot In stock (shipped within 2-3 working days)
3 × 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 4.5 5 8
Phlox paniculata Rembrandt
Phlox paniculata 'Rembrandt'
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Phlox paniculata Starfire
Phlox paniculata 'Starfire'
£8.99 - £19.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star 4.3 5 4
Phormium Platt's Black

40% off

SALE10 for extra 10% off

Phormium 'Platt's Black'
£36.99 £22.19
2 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Physostegia virginiana Crystal Peak White

40% off

SALE10 for extra 10% off

Physostegia virginiana 'Crystal Peak White'
£5.99 - £13.79
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Pilosella aurantiaca
Pilosella aurantiaca
£7.99 - £34.99
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)
Plumbago auriculata f. alba

New

Plumbago auriculata f. alba
£14.99
1 litre pot In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star
Potentilla fruticosa Pink Beauty
Potentilla fruticosa 'Pink Beauty' (PBR)
£21.99
2 litre pot In stock (shipped within 2-3 working days)
0.25 star 1 star 1 star 1 star 1 star
Potentilla fruticosa Primrose Beauty

40% off

SALE10 for extra 10% off

Potentilla fruticosa 'Primrose Beauty'
£14.39 - £35.39
2 litre pot In stock (shipped within 2-3 working days)
3 × 2 litre pots In stock (shipped within 2-3 working days)
0.5 star 1 star 1 star 1 star 1 star
Potentilla fruticosa Bella Lindsey ('Hendlin') (PBR)
Potentilla fruticosa Bella Lindsey ('Hendlin') (PBR)
£22.99
2 litre pot In stock (shipped within 2-3 working days)
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