Description
Irish ivy – Hedera hibernica ‘Hamilton’
In a nutshell
Irish ivy, Hedera hibernica ‘Hamilton’, has smaller foliage than the typical species. The leaves have 5 ogival lobes, well detached from each other. The leaf margins are slightly thicker and curved at the sinuses. The base lobes are very small, often measuring less than a third of the lateral lobes.
The leaf blade is shiny mid-green, veined, but much less so than the type species.
This vigorous ivy makes a good climber.
History
This cultivar was introduced by Hazel Key of Fibrex Nurseries in the 1970s.
Technical leaflet - Hedera hibernica 'Hamilton'
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: hibernica
- Cultivar: ‘Hamilton’
- Pierot classification: ivy type
- Foliage stage: juvenile
- Species origin: Europe, Atlantic coast, from Portugal to Scotland
- Cultivar origin: introduced in the 1970s by Hazel Key of Fibrex Nurseries, UK
Description of Hedera hibernica ‘Hamilton’
- Growth habit: spreading
- Number of lobes: usually 5 lobes, ogive-shaped
- Leaf length: 6 cm
- Sheet width: 5 cm
- Leaf color: medium green
- Color of veins: light green
- Stem: well-branched
- Internodes: 3 to 5 cm
- Stem and petiole color: green
- Hair: stellate, small
Planting, growing and care instructions for Hedera hibernica ‘Hamilton’
- Exposure: shade, part shade, sun
- Hardiness: -15°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
- 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 the sinus of a leaf?
Ivy leaves are usually lobed, i.e. with a more or less divided blade. The number of lobes is generally three to five. The indentation between each lobe is botanically called the sinus.
Sinuses can be more or less deep. They may form an obtuse or acute angle, or be more or less rounded. Sometimes they are very shallow, almost flat.

Ivy in literature
“In this dwelling of ivy and shadows, they had found their final refuge.”
Reviews
There are no reviews yet.