Description
Ornamental ivy - Hedera helix ‘Kermario’
In a nutshell
Ornamental ivy, Hedera helix ‘Kermario’, was found on the site of the Carnac megaliths in Morbihan (Kermario alignment).
This is a branched variety with small leaves (2 x 2 cm). The foliage appears glossy, dark green (just like the hibernica ‘Sark’, but smaller).
It works equally well as ground cover or as a climber.
History
This cultivar was found by Olivier Arcelus at the Kermario site in Morbihan, France.
Technical details - Hedera helix 'Kermario'
Botanical information
- Family: Araliaceae
- Genre : Hedera
- Species : helix
- Cultivar: ‘Kermario’
- Pierot classification: heart-shaped ivy
- Foliage stage: juvenile
- Origin of the species: Europe, from Spain to Norway, but little on the Atlantic coast.
- Origin of cultivar: selected by O. Arcelus on the Kermario site (Morbihan)
Description of Hedera helix ‘Kermario’
- Growth habit: bushy
- Number of lobes: 3 very shallow lobes
- Leaf length: 2 cm
- Sheet width: 2 cm
- Leaf shape: corded
- Stem shape: branched
- Colour of leaf: dark green with glaze
- Colour of veins: light green
- Colour of stem and petiole: pink
- Hairs: stellate, 3 to 5 branches
Planting, cultivation and maintenance advice for Hedera helix ‘Kermario’
- Exposure: shade, part shade, sun
- Hardiness: -15°C
- Soil moisture: cool soil
- Soil PH: neutral or chalky
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber
- Development: vigorous
- Pruning: once a year
- Pests: very rare (spider mites, mealy bugs)
- Diseases: very rare (leaf spots)
A page from my little ivy encyclopaedia
The occasional question ...
What is ivy?
Ivy can form long stems, like lianas, to which leaves are attached in alternate arrangements. For some ivy species, these stems are unbranched, meaning that no secondary branches grow from the vines. In this case, we would say that these ivies are not branched.
Conversely, in other species, numerous secondary branches grow from the main stem, in the leaf axils. These are known as branching ivy.
Ivy can be forced to form secondary branches by regular pruning. Those that form secondary branches without being pruned are known as self-branching ivy. The most typical of these is ‘Pittsburgh’ ivy (Hedera helix ‘Pittsburgh’).
Ivy in literature
“Ivy embraces the remnants of the past, hiding the scars of battle.»






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