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COLLETIA hystrix
Commonly known as Anchor plant
(armata) - stout spines and small white pitcher-shaped flowers
Further Reading....
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Semi-evergreen - Keeps some of its foliage all year, and will drop some leaves as well.
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White
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Height - 3m (10ft)
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Spread - 3m (10ft)
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Medium shrub - Typically grow to around 4-6 feet in height - stiffly branched, almost leafless shrub. Cylindrical sharp-pointed grey-green spines.
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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)
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Full sun - open site. Shelter from cold drying winds.
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Additional Features - Good to know - - BEWARE - sharp spines close to the flowers. Attracts insects and butterflies late in the year. Also known as barbed-wire bush. Can be tip-pruned when young to encourage bushiness
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Pests & Diseases - none
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Place of origin - Chile
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Flower Shape - Tubular - - minute flowers with prominent calyces
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Hardiness - Frost hardy (down to -5) -
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Pruning group - Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
RHS group 1 -
Scented Plants - Scented flowers -
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Seasonal Interest - Autumn -
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Summer
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Soil Conditions - Medium to light, fertile, well drained soil -
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Colletia - Growing Guide
3m (10ft)
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3m (10ft) |
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

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50

Garden Goodies
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen.
Just stick them in your pot or border. Pack of 6.
Only £10.20

Garden Goodies
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots.
Comes with chalk pen. Pack of 5
Only £10.20