Hedera colchica ‘Dentata’ - Caucasian ivy
Largest leaves of the genus Hedera. They can reach up to 25 cm in length. Foliage is not lobed or three-lobed, with small teeth at the margin. Smells strong when crumpled.
This cultivar can be used as a climber or ground cover for very large areas. When used as a wall climber, the leaves fall from the long stems to create a spectacular wall covering.
This is a very hardy ivy. It is said to have survived the bitter cold of 1893.
This variety was awarded the Royal Horticultural Society (RHS) Garden Award of Merit in 1993.
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Description
Caucasian ivy - Hedera colchica ‘Dentata’
In a nutshell
Caucasian ivy, Hedera colchica ‘Dentata’, bears the largest leaves of the genus Hedera. They can reach up to 25 cm in length.
The foliage, which is not lobed or three-lobed, has small teeth at the margin. It smells strong when crumpled. The leaf blade is a dull green.
This cultivar can be used as a climber or ground cover for very large areas. When used as a wall climber, the leaves fall from the long stems to create a spectacular wall covering. Be sure to cut back any branches that don't take hold, otherwise the whole stem will come loose from its support.
This is a very hardy ivy. It is said to have survived the bitter cold of 1893.
This variety was awarded the Royal Horticultural Society (RHS) Garden Award of Merit in 1993.
History
This cultivar was discovered in the wild, probably in the Caucasus, around 1860 by the botanist Franz Joseph Ruprecht.
Technical details - Hedera colchica 'Dentata'
Botanical information
- Family: Araliaceae
- Genre : Hedera
- Species : colchica
- Cultivar : ‘Dentata’
- Pierot classification: heart-shaped ivy
- Foliage stage: juvenile
- Origin of the species: Caucasus, western Asia
- Origin of cultivar: found in the wild by F. J. Ruprecht around 1860.
Description of Hedera colchica ‘Dentata’
- Growth habit: ground cover
- Number of lobes: 0 to 3 lobes in general
- Sheet length: 22 cm
- Sheet width: 17 cm
- Leaf colour: matt green
- Colour of veins: light green
- Colour of stem and petiole: dark purple at the base, green near the leaves
- Hairs: scaly, composed of 12 to 20 branches
Planting, growing and care instructions for Hedera colchica ‘Dentata’
- Exposure: shade, part shade, sun
- Hardiness: -17°C
- Soil moisture: cool soil
- Soil PH: neutral, calcareous or acidic
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber, pot, window box
- Development: vigorous, rapid
- Pruning: once or twice a year
- Pests: very rare (spider mites, mealy bugs)
- Diseases: very rare (leaf spots)
A page from my little ivy encyclopaedia
All about the health of my ivy
Ivy is rarely attacked by parasites. What's more, in the event of infestation, it is generally hardy enough to avoid irreversible damage. Potential pests include the weaver mite
Weaver mite (Tetranychus urticae)
This red mite, half a millimetre long, is particularly fearsome in greenhouses. It likes dry conditions. It weaves fine webs and discolours leaves by stinging the leaf blade.
As a preventive measure, it is advisable to maintain a moist, well-ventilated environment. In the event of infestation, apply a generous drench to both sides of the leaves and repeat for several days. If the infestation persists, treatment with an acaricide soap or Neem oil may be necessary.
Regular monitoring enables attacks to be detected as early as possible, making treatment much more effective.
Ivy in literature
“The tombs under their ivy cover seemed to dream of an infinite rest.”
Elizabeth Barrett Browning, Portuguese sonnets
Additional information
| Weight | N/A |
|---|---|
| Stock of 1-litre cups and pots | 21 to 50 pots |
| Stock 2 or 4 litre containers | more than 100 containers |
| Large stock items | 6 to 10 large subjects |
| General appearance | Spread out, Little branched |
| Type of foliage and colour | Atypical, Green |
| Possible uses | Ground cover, Climber, Pots or planters |
| Exhibition | Part shade, Shade, Sun |
| Hardiness | Very good hardiness |
| Easy to grow | Easy |
| Speed | Fast |
| Vigorous development | Vigorous |
| Classification according to the Pierot system | Curiosity, Heart-shaped |
| Reward obtained | RHS Garden Merit Award |
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