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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
- 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...
Harrod Horticulture Plant Supports - Plant & Border Supports
Short circular wire plant support
The Harrod short circular plant supports available in rust or matt black are ideal for herbs, campanulas, agapanthus, shrub roses, hollyhocks and foxgloves and are made to last.
2 options from £32.00
Harrod Horticulture Plant Supports - Plant & Border Supports
Releasable plant supports
90cm high and sold in packs of 3. Each supports multiple stems with quick release.
2 options from £13.95
Harrod Horticulture Plant Supports - Plant & Border Supports
Scalloped Border Restraint
These gently scalloped restraints are ideal for holding back plants at the front of your border, giving a natural looking hold.
2 options from £27.00
Harrod Horticulture Plant Supports - Plant & Border Supports
Curved border restraints
The border restraints are made from sturdy, solid 6mm galvanised steel wire and powder coated dark olive green, available in a variety of sizes providing strong plant support to stop plants falling across lawns and paths
4 options from £14.50
Harrod Horticulture Plant Supports - Plant & Border Supports
Link stakes
Link stakes plant supports are made from dark olive-green powder coated galvanised steel wire (up to 6mm thick), merge seemlessly into the background.
8 options from £17.00
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
Garden Goodies
Kneeling Cushion
Protect your knees in the garden with this squishy mat.
Water-repellent and light weight.
Only £3.60
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