Description
Irish ivy – Hedera hibernica ‘Ebony’
In a nutshell
Irish ivy, Hedera hibernica ‘Ebony’, has leaves with more pointed lobes than the type species.
They are wide, more or less digitate, with a slight undulation at the sinuses. The blade is shiny, pale green to start with then dark green becoming blackish green to brown in winter.
It is a well-branched plant with fairly dense growth. This ivy adapts well to both sun and shade, but will be more comfortable in the shade.
History
This cultivar was discovered by Cliff Coon in the USA in 1989. It was growing on a house in Freemont, California.
Technical leaflet - Hedera hibernica 'Ebony'
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: hibernica
- Cultivar: ‘Ebony’
- Pierot classification: ivy with bird’s-foot leaves
- Foliage stage: semi-adult
- Origin: Europe, on the Atlantic coast from Portugal to Scotland
- Cultivar origin: found in Freemont, California, in 1989, by Cliff Coon
Description of Hedera hibernica ‘Ebony’
- Growth habit: spreading
- Number of lobes: 3 to 5 lobes in general
- Leaf length: 10 cm
- Sheet width: 11 cm
- Leaf color: light green then dark green
- Color variation: turns blackish-green to brown in winter
- Color of veins: light green
- Stem and petiole color: purple-pink, especially in winter
- Hair: stellate, small
Planting, growing and care instructions for Hedera hibernica ‘Ebony’
- Exposure: shade, part shade, sun
- Hardiness: -15°C
- Soil moisture: cool soil
- Soil PH: neutral, calcareous or acidic
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber, hanging baskets, pots, window boxes
- Development: vigorous
- Pruning: once a year
- Pests: very rare (red spider mites, scale insects)
- Diseases: very rare (leaf spots)

A page from my little ivy encyclopedia
All about the health of my ivy
Bacterial spot disease
Ivy is virtually disease-free, especially when grown outdoors on vertical supports. Indoors, or as ground cover, they can sometimes suffer from diseases such as bacterial spot.
Causes:
As the name suggests, this disease is caused by a bacterium(Xanthomonas hederae). It occasionally appears on ivy grown in greenhouses, in humid growing conditions and at high temperatures.
Symptoms:
Symptoms appear as light-green, translucent spots on leaves and petioles, followed by brownish spots with reddish margins. Cankered areas develop on the stem.
Processing :
As a preventive measure, avoid wetting the leaves. In the event of light infestation, remove the affected parts and burn them. If the disease is too widespread, remove diseased plants to avoid contamination and destroy them by burning.


Ivy in literature
“The house, overgrown with ivy, seemed to have been forgotten by the world, but not by time.”
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