Buy - Flowering month: September, Collections: Selected perennials, ferns & grasses - RHS Plants

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Flowering month : September
Collections : Selected perennials, ferns & grasses

By type

Plants (465)

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The Highgrove Kitchen Garden Collection (8)

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Grasses semi (4)

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Shrubs (1)

border / combi (4)

bulbs die back after flowering (31)

RHS Spring catalogue 2021

10-11 Foliage & form (2)

13 New season essentials (1)

16 Long flowering (5)

17 Low maintenance (2)

2-3 Cottage garden plants (8)

20 Award-winning plants (2)

4-5 Plants for pollinators (7)

6-7 Border favourites (5)

8-9 The scented garden (3)

RHS Summer catalogue 2021

page 14-15 The night garden (3)

page 16 Low maintenance (5)

page 17 Summer scent (1)

page 2-3 Feel the heat (11)

page 20 Highly recommended (5)

page 4 -5 Cool tones (5)

page 6 -7 Plants for pollinators (10)

RHS Autumn catalogue 2021

Award-winning prairie-style plants - pages 14-15 (8)

Extend the season - pages 16 (5)

Planting in abundance - pages 8-9 (9)

Hardy

No (6)

Semi (163)

Yes (308)

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Blue (15)

Bronze (15)

Green (420)

Purple (26)

Red (7)

Silver (14)

Variegated (18)

Yellow (2)

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No (372)

Yes (101)

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Arches & pergolas (1)

Back of border (85)

Bottom of hedges (7)

Front of border (193)

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Next to a patio (80)

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Walls & fences (1)

Shape

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Hummock (3)

Soil moisture

Damp (22)

Dry/Sandy (217)

Normal (450)

Kitchen garden planting guidelines

Suitable for grow beds (1)

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Use cloche (1)

Results found: 465

Osteospermum In The Pink

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Osteospermum Nairobi Purple

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Osteospermum Snow Pixie

Osteospermum 'Snow Pixie'

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Osteospermum jucundum

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Penstemon Rich Ruby

Penstemon 'Rich Ruby'

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Penstemon Stapleford Gem

Penstemon 'Stapleford Gem'

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Phlox paniculata Franz Schubert

Phlox paniculata 'Franz Schubert'

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Romneya coulteri

Romneya coulteri

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Salvia Berry Blast

Salvia 'Berry Blast'

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Salvia Blue Butterflies

Salvia 'Blue Butterflies'

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Salvia Cool Cream (PBR)

Salvia 'Cool Cream' (PBR)

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Salvia Cool Violet

Salvia 'Cool Violet'

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Salvia 'Peach Melba'

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Salvia SoCool Pale Blue (PBR)

Salvia 'SoCool Pale Blue' (PBR)

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Salvia greggii Lipstick

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Salvia Lake Blueberry ('Tl1016') (Salgoon Series) (PBR)

Salvia Lake Blueberry ('Tl1016') (Salgoon Series) (PBR)

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Salvia Lake Como ('Tl1017') (Salgoon Series) (PBR)

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Salvia Lake Flamingo ('Tl1019') (Salgoon Series)

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Salvia Lake Garda ('Tl993') (Salgoon Series) (PBR)

Salvia Lake Garda ('Tl993') (Salgoon Series) (PBR)

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9cm pot	£12.99
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Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)

Salvia Lake Onega Imp ('Tl1018') (Salgoon Series) (PBR)

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9cm pot	£9.99
3 × 9cm pots	£22.99
6 × 9cm pots	£44.99

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© 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.

© 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.