Hedera helix ‘Giant Shamrock’ – Ornemental Ivy
Hedera helix ‘Giant Shamrock’ – Ornemental Ivy
Similar to the parent plant, except that everything is larger in this mutation.
Leaves can be up to 6 cm long, cut into almost completely separate lobes, with gently rounded tips.
Use as ground cover, in rock gardens or window boxes. Withstands sun very well.
From £4.90
Description
Ornemental ivy – Hedera helix ‘Giant Shamrock’
In a nutshell
Ornamental ivy, Hedera helix ‘Giant Shamrock’, resembles the parent plant, except that everything is larger in this mutation.
Leaves can be up to 6 cm long. They are cut into almost completely separate lobes, with gently rounded tips.
Use as ground cover, in rock gardens or window boxes. Withstands sun very well.
History
This cultivar is of unknown origin.
Technical leaflet - Hedera helix 'Giant Shamrock'
Botanical information
- Family: Araliaceae
- Genus : Hedera
- Species: helix
- Cultivar: ‘Giant Shamrock’
- Pierot classification: bird’s-foot ivy
- Foliage stage: juvenile
- Species origin: Europe, from Spain to Norway, but little on the Atlantic coast.
- Origin of cultivar: selected by O. Arcelus
- Mutation: sport of ‘Shamrock‘
Description of Hedera helix ‘Giant Shamrock’
- Growth habit: bushy
- Number of lobes: 3 lobes, sometimes 5
- Leaf length: 4 to 6 cm
- Leaf width: 4 to 5 cm
- Leaf shape: almost separate lobes, sometimes overlapping
- Leaf color: dark green
- Color of veins: light green
- Mattress thickness: thick
- Stem and petiole color: greenish-purple
- Hairs: stellate, 3 to 5 branches
Advice on planting, cultivation and care of Hedera helix ‘Giant Shamrock’.
- 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, pots, window boxes, bonsai, topiary
- 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
The question of circumstance...
What is a mutation?
A mutation, also called a ‘sport’ in English, or lusus in French, is a botanical phenomenon in which a part of a plant develops in a way that is totally different from the rest of the plant. This difference may concern :
- color: a variegated stem on ivy that is not variegated, for example
- on shape: clinging leaves on ivy with flat leaves, for example
These mutations are of natural origin. They are not the result of human intervention or hybridization. They may be the result of the plant’s adaptation or reaction to stress or changes in growing conditions.
Ivy is very familiar with this kind of phenomenon. That’s why new cultivars are constantly appearing.
The most interesting mutations are multiplied by cuttings. If the mutation is stable, it can lead to the creation of a new cultivar.
Ivy in literature
“Ivy, like love, clings to anything it can grasp, mingling its tendrils with the roughness of the rocks.”
Chateaubriand, Memoirs from Beyond the Grave
Additional information
| Weight | N/A |
|---|---|
| Stock 9cm and 1L pots | 6 to 10 pots |
| Stock containers of 2 or 4L | 6 to 10 containers |
| Stock big articles | 0 big article |
| Shape | Bushy, Compact, Quite branched, Spread out, Stocky |
| Appearance of foliage | Atypical, Green |
| Possible uses | Bonsai, Ground cover, Hanging plant, Pots or planters, Topiary |
| Exposure | Partial shade, Shade, Sun |
| Hardiness | Good hardiness |
| Ease of cultivation | Easy |
| Development speed | Medium |
| Development vigor | Medium |
| Classification according to the Pierot system | Bird's foot |
| Award | No known award |
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