Description
Ornemental ivy – Hedera helix ‘Ria’
In a nutshell
Ornamental ivy, Hedera helix ‘Ria’, is a stocky, slow-growing variety.
The plant has few branches, the stems with spaced internodes bear very colorful 3-lobed leaves. The 2 x 3 cm green leaves with a yellow margin form small carpets without being too thick. The edge of the blade, more or less wide, becomes golden yellow in summer and remains colorful in mature leaves.
It is a good ground cover for small areas, also interesting in pots.
History
This cultivar is a mutation of ‘Ira’, selected by the Fibrex nursery in the United Kingdom in 2000.
Technical leaflet - Hedera helix 'Ria'
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: helix
- Cultivar: ‘Ria’
- Pierot classification: standard ivy, variegated ivy
- Foliage stage: juvenile
- Species origin: Europe, from Spain to Norway, but little on the Atlantic coast.
- Origin of cultivar: selected by Fibrex Nursery in Great Britain, sport of ‘Ira’.
Description of Hedera helix ‘Ria’
- Habit: spreading, extended, stocky
- Number of lobes: 3 to 5 lobes in general
- Leaf length: 3.5 cm
- Sheet width: 4 cm
- Leaf color: dark and light green, glossy, with golden-yellow margins
- Leaf shape: central lobe longer than lateral ones
- Base: slightly cordate
- Stems: little branched
- Internodes: spaced
- Color of veins: light green
- Stem and petiole color: purple
- Hairs: stellate, 3 to 5 branches
Planting, growing and care instructions for Hedera helix ‘Ria’
- Exposure: sun, shade, part shade
- Hardiness: -15°C
- Cultivation: easy
- Soil moisture: cool soil
- Soil PH: neutral or calcareous
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber, hanging plant, pot, window box, houseplant
- Development: slow
- Pruning: once a year
- Pests: very rare (red spider mites, scale insects)
- Diseases: very rare (leaf spots)

A page from my little ivy encyclopedia
The question of circumstance ...
What is an internode?
Ivy leaves are arranged alternately on the stem, once on one side, once on the other, and so on. The place where the leaf attaches to the stem is called the node. The space between two consecutive nodes is called the internode.
The distance between nodes varies greatly from one species and cultivar to another. Node spacing is therefore often a distinctive characteristic of varieties.
Ivy with short internodes is compact, well-filled with leaves. They often form thick mats. In contrast, ivy with long internodes has sparser leaves on much longer stems. These ivies form a less dense cover, which can be an advantage or a disadvantage depending on the intended purpose and use.

Ivy in literature
“Oh ivy, sweet companion of gloomy days, embrace my dark thoughts.”
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