Description
Ornemental ivy – Hedera helix ‘Bonzy’
In a nutshell
Ornamental ivy, Hedera helix ‘Bonzy’, is a fasciated clone of ‘Touch of Class’. Its branches are twisted and the leaves crisp.
As it ages, the branches shed their leaves, giving it a bonsai-like appearance.
It is an interesting curiosity for a pot or rock garden.
History
This cultivar was discovered by Olivier Arcelus in his nursery in Morvan, France.
Technical leaflet - Hedera helix 'Bonzy'
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: helix
- Cultivar: ‘Bonzy’
- Pierot classification: ivy with wavy or crinkled leaves
- Foliage stage: juvenile
- Species origin: Europe, from Spain to Norway, but little on the Atlantic coast.
- Cultivar origin: mutation of ‘Touch of Class’
Description of Hedera helix ‘Bonzy’
- Growth habit: semi-erect, compact
- Number of lobes: usually 5 lobes
- Leaf length: 3 cm
- Sheet width: 3 cm
- Leaf color: emerald green
- Color of veins: light green
- Stem and petiole color: brown
- Stem: branched
- Internodes: short
- Hairs: stellate, 3 to 5 branches
Planting, growing and care instructions for Hedera helix ‘Bonzy’
- Exposure: shade, part shade, sun
- Hardiness: -15°C
- Soil moisture: cool soil
- Soil PH: neutral or calcareous
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: pots, bonsai, rockery
- Development: moderate
- 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 your questions about ivy
Ivy in bonsai - Training ?
Some ivy trees lend themselves perfectly to bonsai training. For training techniques, let’s draw on the experience of Daniel Puiloube, author of Les Bonsaï et Jardins Miniatures :
Keep a stem until it is 10-12 cm long and has taken on a woody appearance. Then tie it up to keep it upright, and start pinching off the side shoots as you would any bonsai tree. Keep three side shoots, pinch them at 3 eyes when they have already reached 7-10 cm in length, and pinch back any shoots that appear at 2 or 3 eyes. To give them a true tree-like appearance, they need to be artificially over-wintered for 1 to 2 months (stored at +5 to 10°C if possible), otherwise they’ll look a bit limp. Clean up excess twigs two or three times a year.

Ivy in literature
“The ruins were wrapped in tenacious ivy, like a last breath of life.”
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