The Growers Plantspo - August Herbaceous

Are you in need of some inspiration for your next garden project and after some late-flowering herbaceous plants? check out some of our favourite August flowering varieties from Anemone to Rudbeckia.

Achillea varieties such as ‘Terracotta’, ‘Cloth of Gold’ and ‘Moon Dust‘

Achilleas are a great addition to a mixed border or cottage garden in full sun – partial shade with flat-topped flowers that bloom from June – September with many cultivars and colours to choose from ranging from yellow to white and pink.

Flowers:  June-September (depending on variety)

 Position: Full sun – partial shade (depending on variety)

 Height: Up to 1m (depending on variety)

Soil: Moist, well-drained soil

 Pot size: 2L, 3L, 5L (depending on variety and subject to availability)

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Anemone varieties such as ‘September Charm’, ‘Honorine Jobert’ & ‘Hadspen Abundance’

Flowers:  August – October (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 1.2m (depending on variety)

Soil: Moist, fertile, humus-rich soil

 Pot size: 2L, 3L (depending on variety and subject to availability)

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Alchemilla Mollis

Flowers:  June-September (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 0.6m

Soil: Humus-rich soil

 Pot size: 2L, 3L, 5L

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Alstromeria varieties such as ‘White Magic’, ‘Indian Summer’ and ‘Inticancha Maya’

Flowers:  June-September (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 0.9m (depending on the variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 3L

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Agastache varieties such as ‘Morello’, ‘Little Adder’ & ‘Blue Fortune’

Flowers:  July – October (depending on variety)

 Position: Full sun

 Height: Up to 1m (depending on the variety)

Soil: Fertile, well-drained soil

 Pot size: 2L. 3L

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Agapanthus varieties such as Africanus, ‘Twister’ and ‘Polar Ice’

Flowers:  July – September (depending on the variety)

 Position: Full sun

 Height: Up to 1m (depending on variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 2L, 3L, 5L  (depending on variety and subject to availability)

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Astrantia varieties such as ‘Claret’, ‘Hadspen Blood’ and ‘Rosea’

Flowers: June – August (depends on the variety)

 Position: Full sun -partial shade

 Height: Up to 1m (depending on variety)

Soil: Fertile, moist, preferably humus-rich soil

 Pot size: 3L

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Aster varieties such as ‘Monch’, ‘Bahamas’ & ‘Barbados’

Flowers: August – October (depends on the variety)

 Position: Full sun

 Height: Up to 0.9m (depending on variety)

Soil: Well-drained, moderately fertile soil

 Pot size: 2L, 3L

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Campanula varieties such as ‘Perla Blue’, ‘Perla White’ & ‘White Clips’

Flowers: July – September (depends on the variety)

 Position: Full sun – partial shade

 Height: Up to 0.3m (depending on variety)

Soil: Moist, well-drained, soil

 Pot size: 2L

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Coreopsis varieties such as ‘Limerock Ruby’, ‘Golden Sphere’ and ‘Sunkiss’

Flowers: June – September (depends on the variety)

 Position: Full sun -partial shade

 Height: Up to 0.5m (depending on variety)

Soil: Fertile, well-drained soil

 Pot size: 3L

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Crocosmia varieties such as ‘Lucifer’ and ‘George Davidson’

Flowers: August – September

 Position: Full sun -partial shade

 Height: Up to 1.2m (depending on variety)

Soil:Moderately fertile, humus-rich, well-drained soil

 Pot size: 3L, 5L

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Dahlia varieties such as ‘Happy Days Pink’, ‘Happy Days Red’ and ‘Happy Days Yellow’

Flowers: June – September (depends on the variety)

 Position: Full sun -partial shade

 Height: Up to 0.5m (depending on variety)

Soil: Fertile, well-drained soil

 Pot size: 3L

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Echinacea varieties such as ‘White Swan’, ‘Magnus’ and ‘Alba’

Flowers: July – September

 Position: Full sun

 Height: Up to 1m (depending on variety)

Soil: Most soils, except very dry or boggy

 Pot size: 2L, 3L

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Erigeron varieties such as ‘Sea Breeze’ and Erigeron karvinskianus

Flowers: May – October (depending on variety)

 Position: Full sun

 Height: Up to 0.5m (depending on variety)

Soil: Fertile, well-drained soil

 Pot size: 2L

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Eryngium varieties such as ‘Neptune’s Gold’

Flowers: July – August

 Position: Full sun

 Height: Up to 0.5m (depending on variety)

Soil: dry, well-drained, poor to moderately fertile soil

 Pot size: 2L

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Geranium varieties such as ‘Rozanne’ and ‘Max Frei’ 

Flowers: June – October (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 0.6m (depending on variety)

Soil: Fertile, well-drained soil

 Pot size: 2L

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Geum varieties such as ‘Totally Tangerine’, ‘Cosmopolitan’ and ‘Sunrise’

Flowers: June – August (depending on variety)

 Position: Full sun

 Height: Up to 0.6m (depending on variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 3L

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Helenium varieties such as ‘Moerheim Beauty’, ‘Short and Sassy’ and ‘The Bishop’ 

Flowers: July – August (depending on variety)

 Position: Full sun

 Height: Up to 1m (depending on variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 2L

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Leucanthemum ‘Banana Cream’ and ‘Snow Lady’

Flowers: June – September (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 1m (depending on variety)

Soil: Moderately fertile, moist but well-drained soil

 Pot size: 2L, 3L

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Liatris varieties such as ‘Alba’, ‘Floristan’ & ‘Kobold’

Flowers: August – September (depending on variety)

 Position: Full sun

 Height: Up to 1m (depending on variety)

Soil: Moderately-fertile, reliably moist soil

 Pot size: 2L, 3L

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Monarda varieties such as ‘Balmy Lilac’ and ‘Balmy Pink’

Flowers: July – August

 Position: Full sun- partial shade

 Height: Up to 0.4m (depending on variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 2l, 3L (depending on variety and subject to availability).

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Nepeta varieties such as ‘Six Hills Giant’, ‘Walkers Low’ and ‘Junior Walker’

Flowers: June – September (depending on variety)

 Position: Full sun- partial shade

 Height: Up to 0.9m (depending on variety)

Soil: Moist, well-drained soil

 Pot size: 2l, 3L, 5L (depending on variety and subject to availability).

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Penstemon varieties 

Flowers: July – October

 Position: Full sun- partial shade

 Height: Up to 1m (depending on variety)

Soil: Fertile, moist, well-drained soil

 Pot size: 2l, 3L (depending on variety and subject to availability).

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Persicaria varieties such as ‘Darjeeling Red’, ‘Superba’ and ‘Delgado’

Flowers: June – October (depending on variety)

 Position: Full sun- partial shade

 Height: Up to 1m (depending on variety)

Soil: Any moist soil

 Pot size: 2l (depending on variety and subject to availability)

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Perovskia varieties such as ‘Blue Spire’, ‘Lacey Blue’ & ‘Little Spire’

Flowers: August – September (depending on variety)

 Position: Full sun

 Height: Up to 1.2m (depending on variety)

Soil:Well-drained, poor to moderately fertile

 Pot size: 2l, 5L (depending on variety and subject to availability)

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Rudbeckia varieties such as ‘Goldsturm’, ‘Maya’ & ‘Sunbeckia Mia’

Flowers: August – October (depending on variety)

 Position: Full sun

 Height: Up to 0.8m (depending on variety)

Soil: Moderately fertile, preferably heavy but well-drained soil

 Pot size: 2l, 3L (depending on variety and subject to availability)

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Salvia varieties such as ‘Caradonna’, ‘Cherry Lips and ‘Sensation White’

Flowers: June – October (depending on variety)

 Position: Full sun

 Height: Up to 1.2m (depending on variety)

Soil: Moderately fertile, moist but well-drained soil

 Pot size: 2l, 3L,5L (depending on variety and subject to availability)

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Sanguisorba varieties such as ‘Tanma’ & ‘Little Angel’

Flowers: June – September (depending on variety)

 Position: Full sun – partial shade

 Height: Up to 0.6m (depending on variety)

Soil: Poor-to-average, moist, well-drained soil

 Pot size: 2l, 3L (depending on variety and subject to availability)

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Scabiosa varieties such as ‘Butterfly Blue’, ‘Flutter Deep Blue’ and ‘Flutter Deep Pink’

Flowers: June – September (depending on variety)

 Position: Full sun

 Height: Up to 0.5m (depending on variety)

Soil: Moderately fertile, well-drained, neutral to slightly alkaline soil

 Pot size: 2l, 3L (depending on variety and subject to availability)

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Sedum varieties such as ‘Touchdown Teak, ‘Autumn Joy’ ‘Herbstfreude’ & ‘Frosted Fire’

Flowers:  August – November (depending on variety)

 Position: Full sun

 Height: Up to 0.6m (depending on variety)

Soil: Moderately fertile, well-drained, neutral to slightly alkaline soil

 Pot size: 2l, 3L, 5L (depending on variety and subject to availability)

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Verbena varieties such as bonariensis and  ‘Lollipop’

Flowers: July – September

 Position: Full sun

 Height: Up to 2m (depending on variety)

Soil: Moderately fertile, moist but well-drained soil

 Pot size: 2L, 3L (depending on variety and subject to availability)

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Veronica varieties such as ‘Anniversary Blue’ 

Flowers: June – August

 Position: Full sun – partial shade

 Height: Up to 1m (depending on variety)

Soil: Moderately fertile, moist but well-drained soil

 Pot size: 2L, 3L (depending on variety and subject to availability)

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Posted 29th Jul 2:10pm