Description
Ornemental ivy – Hedera helix ‘Troll’
In a nutshell
Ornamental ivy, Hedera helix ‘Troll’, is a miniature ivy, resembling ‘Triton’ but smaller, with shorter internodes and shorter leaves. Leaves are slightly twisted and composed of 3 to 5 lobes, with the median lobe larger than the lateral lobes. The leaf blade is light to medium green. Many of the closely spaced veins are lighter in color and contrast well, giving it a lovely texture.
It’s a compact plant, with sturdy, sometimes upright stems.
It makes a very attractive, fast-growing ground cover in any exposure.
History
This cultivar is a mutation of ‘Pittsburgh’, introduced by Maegaard Nurseries in Ringe, Denmark, in 1989.
Technical leaflet - Hedera
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: helix
- Cultivar: ‘Troll’
- Pierot classification: miniature ivy, fan-leaved ivy
- Foliage stage: juvenile
- Species origin: Europe, from Spain to Norway, but little on the Atlantic coast.
- Cultivar origin: sport of ‘Pittsburgh’, introduced in 1989 by Maegaard Nurseries in Ringe, Denmark.
Description of Hedera helix ‘Troll’
- Growth habit: stocky, tufted
- Number of lobes: 3 to 5 lobes in general, with numerous secondary lobes
- Leaf length: 2.5 to 4.5 cm
- Leaf width: 2 to 3 cm
- Leaf color: light to medium green
- Color of veins: light green
- Leaf apex: acuminate
- Leaf base: wedge-shaped
- Stem and petiole color: reddish green
- Stem: very branched
- Internodes: very short
- Hairs: stellate, 3 to 5 branches
Planting, growing and care instructions for Hedera helix ‘Troll’
- Exposure: shade, part shade, sun
- Hardiness: -19°C
- Cultivation: easy
- Soil moisture: cool soil
- Soil PH: neutral or calcareous
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, pots, window boxes, hanging baskets, rockery
- Development: rapid
- 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 acuminate leaf?
The vocabulary used by botanists to describe plants is very rich. For leaves alone, you may come across dozens of specific terms.
An ivy leaf is said to be acuminate when it ends in a long, thin point.

Ivy in literature
“The altar, covered with ivy, bore the mark of centuries-old devotion.”
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