The Growers Plantspo - May Herbaceous

Add colour to your garden projects this month with May flowering herbaceous plants from varieties such as Allium to Tiarella there's something for every spot.

Allium varieties such as 'Purple Sensation' and 'Mount Everest'

Flowers:  May - June

 Position: Full sun

 Height: Up to 1.2m (depending on variety)

Soil: Fertile, well-drained soil

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

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Ajuga varieties such as Ajuga reptans 'Catlin's Giant'

Flowers:  April - May (depending on the variety)

 Position:  Full sun - partial shade

 Height: Up to 0.45m (depending on variety)

Soil: Moist, well-drained soil

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

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Astilbe varieties such as 'Fanal'

Flowers:  May - June, August (depends on the variety

 Position: Full sun -partial shade

 Height: Up to 1m (depending on variety)

Soil: Moist, humus, rich soil

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

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Brunnera varieties such as macrophylla 'Jack Frost'

Tiny blue forget-me-not flowers appear against heart-shaped silver dusted leaves in spring. A beautiful groundcover plant for a shaded border.

Flowers: April - May

 Position: Partial shade

 Height: Up to 0.4m depending on the variety

 Soil: Fertile, humus-rich, moist, well-drained soil

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

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Dicentra varieties such as 'Bleeding Heart'

Heart-shaped flowers appear in spring above fern-like green leaves. Great in a shady border or as part of a cottage garden planting plan.

Flowers:  April - May

 Position:  Full sun or partial shade

Soil: Moist, humus-rich, preferably neutral to slightly alkaline

 Pot size: Available in 2L  and 3L pots subject to availability.

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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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Erysimum 'Bowles's mauve'

A long-flowering semi-evergreen with narrow, grey-green leaves. This perennial produces spikes of purple flowers from late February to July and will make a great addition to a long flowering sunny border.

 Flowers: February – July

 Position: Full sun

Soil: Fertile, well-drained, neutral soil

 Pot size: Available in 2L pots subject to availability.

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Euphorbia wulfenii

Is filled with huge heads of yellow-green flowers with ‘bronze eyes’ from late March-May that tower above its bluish-green foliage. Great at the back of a sunny border.

Available in 2L pots subject to availability.

Flowers:  Late March-May

 Position:  Full sun

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Geum varieties such as 'Totally Tangerine', 'Cosmopolitan' and 'Sunrise'

Flowers: May - 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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Geranium varieties such as 'Rozanne' and 'Max Frei' 

Flowers: May- 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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Iris varieties such as pseudacorus, 'Perry's Blue' and 'Tamberg'

Flowers: May-June

 Position: Full sun

 Height: Up to 1.2m (depending on variety)

Soil: Well-drained, moderately fertile, neutral to slightly acidic soil

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

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Lupinus varieties such as 'Gladiator', 'Persian Slipper' and 'Red Rum'

Flowers: June - July

 Position: Full sun- partial shade

 Height: Up to 1.2m (depending on variety)

Soil: Well-drained soil

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

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Tiarella varieties such as 'Spring Symphony' and 'Pink Symphony'

Flowers: May - July

 Position: Partial shade

 Height: Up to 0.4m (depending on variety)

Soil: Cool, moist, humus-rich soil

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

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Tradescantia 'Sweet Kate'

Flowers: May - July

 Position: Full sun - Partial shade

 Height: Up to 0.3m (depending on variety)

Soil: Fertile, moist but well-drained soil

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

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Please note the above plants listed are subject to availability and is not an exhaustive list of what is available, please contact your sales rep direct for specific requests.

Posted 18th May 3:01pm