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ERYNGIUM x tripartitum
Commonly known as Sea holly , Tripartite eryngo

Small deep blue thistle flowers
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Wildlife plant - insects -
Pests & Diseases
root rot, slugs, snails, powdery mildew. -
Place of origin
Probably Mediterranean. -
DeciduousNarrowly-oval 3-lobed, toothed, dark-green leaves 6-12cm (2½-5in) long with some spines.
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Blue
Deep blue -
Fully hardy
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Height
60-90cm (24-36in) -
Spread
50cm (20in) -
HerbaceousEarly 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) -
Autumn Seasonal Interest
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Summer Seasonal Interest
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Well drained, dry, poor to moderately fertile soil
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Full sun
Protect from winter wet. -
Bee friendly
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Butterfly friendly
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Rabbit Resistant
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Mature Size60-90cm (24-36in)
50cm (20in)
View Planting Tips and Care Advice
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
- Overpotting Problems - Video Tip ondemand_video
View Planting Combinations


