Perennials
82 results
Available items
Availability
- Perennials
- Flowering month : August
- Attractive to wildlife : Attractive to butterflies and moths
- Leaf colour : Green
By type
- Other perennials (15)
- Scabiosa plants (8)
- Agastache plants (6)
- Aster plants (6)
- Astrantia plants (6)
- Eryngium plants (5)
- Phlox plants (4)
- Lythrum plants (3)
- Sedum plants (3)
- Achillea plants (2)
- Echinacea plants (2)
- Gaura plants (2)
- Leucanthemum (2)
- Persicaria plants (2)
- Salvia plants (2)
- Verbena plants (2)
- Campanula plants (1)
- Dahlia plants (1)
- Erigeron plants (1)
- Monarda plants (1)
- Nepeta plants (1)
- Rudbeckia plants (1)
- Veronicas & Veronicastrum (1)
Facing
How much sun
Soil type
Special conditions
Ready made borders
- Ready-made border Autumn colour (3)
- Ready-made border Bee and Butterfly (3)
- Ready-made border Blending purples (1)
- Ready-made border Blue and silver (2)
- Ready-made border Budget (2)
- Ready-made border Chalky soil (2)
- Ready-made border Clay soil (1)
- Ready-made border Cottage garden scheme (2)
- Ready-made border Dry Mediterranean (3)
- Ready-made border Elegant and architectural (1)
- Ready-made border Flowers for pollinators (1)
- Ready-made border Fresh and wild (1)
- Ready-made border Good bedfellows (3)
- Ready-made border Gravel garden (1)
- Ready-made border Keep it cool (5)
- Ready-made border Piet Oudolf Wisley (2)
- Ready-made border Planting the woodland edge (1)
- Ready-made border Red summer (2)
- Ready-made border Sandy soil (1)
- Ready-made border Shades of pink (3)
- Ready-made border Shady pink (2)
- Ready-made border Soothing green and white (1)
- Ready-made border Sunny pink (2)
Planting combinations
- Agastache and Angelica plant combination (2)
- Agastache and Echinops plant combination (2)
- Agastache and Helenium plant combination (1)
- Astrantia and Digitalis plant combination (1)
- Astrantia and Geranium plant combination (1)
- Blue and silver plant combination (1)
- Create a praire plant combination (1)
- Create a prairie plant combination (1)
- Cutting garden plant combination (1)
- Drought tolerant plant combination (1)
- Dry sun plant combination (1)
- Echinops and Achillea plant combination (1)
- Echinops and Salvia plant combination (1)
- Low maintenance gems plant combination (1)
- Lythrum and Campanula plant combination (1)
- Moisture plant combination (2)
- Purple and gold plant combination (1)
- Rich tones slug resistant plant combination (1)
- Spires and spots plant combination (3)
- The Highgrove Kitchen Garden Collection (1)
- Vibrant colour for bees plant combination (1)
Colour combinations
Flower colour
Evergreen / deciduous
Fragrance
Quick growing
Eventual size
Sowing month inside or protected
Sowing month outside
Multibuy packs
Plant me now
Plant Seasons
RHS Spring catalogue 2021
RHS Summer catalogue 2021
RHS Autumn catalogue 2021
Hardy
Ground cover
Position
Soil moisture
Get the latest from RHS Plants
Sign up to receive the latest inspiration, news and offers.