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ERYNGIUM x tripartitum
Commonly known as Sea holly , Tripartite eryngo
Small deep blue thistle flowers
Further Reading....
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Deciduous - narrowly-oval 3-lobed, toothed, dark-green leaves 6-12cm (2½-5in) long with some spines.
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Blue - deep blue -
Height - 60-90cm (24-36in) -
Spread - 50cm (20in)
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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, many-branched perennial. Flowers in cones 1-2cm (½-¾in) long with bracts 3.5cm (1½in) long.
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Hardy - cold winter - Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F) -
Full sun - protect from winter wet. -
Additional Features - Good to know - - wildlife plant - insects -
Pests & Diseases - root rot, slugs, snails, powdery mildew. -
Place of origin - probably Mediterranean. -
Hardiness - Fully hardy -
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Seasonal Interest - Autumn -
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Summer
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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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60-90cm (24-36in)
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50cm (20in) |
Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
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