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ERYNGIUM planum
Commonly known as Blue sea holly, Eryngo
Clump-forming with light blue flowers and blue green bracts. A useful cut flower with 3 foot stems
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Evergreen - oblong, toothed, dark-green basal leaves 5-10cm (2-4in) long with heart-shaped bases.
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Blue -
Height - 90cm (3ft) -
Spread - 45cm (18in)
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Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - clump forming perennial. Cones of flowers 1-2cm (¾in) with spiky bracts to 2.5cm (1in) long.
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Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F) -
Full sun - protect from winter wet. -
Additional Features - Good to know - - wildlife plant - nectar and pollen for insects. -
Pests & Diseases - root rot, slugs, snails, powdery mildew. -
Place of origin - southeastern Europe to central Asia. -
Hardiness - Frost hardy (down to -5) -
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Seasonal Interest - Autumn -
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Spring
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Summer
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Winter
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Soil Conditions - Well drained, dry, poor to moderately fertile soil -
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Wildlife - Bee friendly - -
Butterfly friendly
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Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Eryngium - Growing Guide
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
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90cm (3ft)
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45cm (18in) |
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Buy Varieties of ERYNGIUM planum
ERYNGIUM planum 'Jade Frost' >
Commonly known as: Eryngo, Sea holly .
Grey-green leaves edged creamy-white and developing pink tones. The foliage contrasts effectively with rich violet-blue flower clusters
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