Description
Ornamental ivy - Hedera helix ‘Cockle Shell’
In a nutshell
Ornamental ivy, Hedera helix ‘Cockle Shell’, is a ground-cover variety with a high decorative value.
The leaves are thick, dark green and shell-shaped. In the youngest leaves, the shell faces upwards. Older leaves may have the shell tilted downwards. The leaf blade is fan-shaped. The lobes, if any, are reduced to small teeth, 3 to 5 in number. The veins are prominent.
This ivy does not like prolonged dampness, which can cause necrosis of the foliage. It is perfect in a bed. With its shrubby habit, it doesn't send out stems that could invade other plants.
History
This cultivar was discovered by P Taylor, California, USA, in 1976. It is a mutation of ‘California’.
Detailed sheet - Hedera helix 'Cockle Shell'
Botanical information
- Family: Araliaceae
- Genre : Hedera
- Species : helix
- Cultivar : ‘Cockle Shell’
- Pierot classification: ivy with fan-shaped leaves
- Foliage stage: juvenile
- Origin of the species: Europe, from Spain to Norway, but little on the Atlantic coast.
- Origin of cultivar: ‘California’ sport, discovered in 1976 by P Taylor, California, United States.
Description of Hedera helix ‘Cockle Shell’
- Growth habit: shrubby, semi-erect
- Number of lobes: 0 to 5 very faint lobes
- Leaf length: 5 cm
- Sheet width: 5 cm
- Colour of leaf: dark green
- Colour of veins: light green
- Colour of stem and petiole: purplish green
- Branches: fairly widespread
- Hairs: stellate, 3 to 5 branches
Planting, cultivation and care instructions for Hedera helix ‘Cockle Shell’
- Exposure: shade, part shade
- Hardiness: -15°C
- Soil moisture: cool soil
- Soil PH: neutral or chalky
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: pots, window boxes, ground cover, rock gardens
- Development: moderate, slow
- Pruning: once a year
- Pests: very rare (spider mites, mealy bugs)
- Diseases: very rare (leaf spots)
Ivy in literature
“The ivy crawled slowly but surely, conquering every crack in the old stones.”








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