Description
Irish ivy – Hedera hibernica ‘Deltoidea Arborescens’
In a nutshell
Irish ivy, Hedera hibernica ‘Deltoidea Arborescens’ , is an adult ivy.
The leaves, not lobed, are heart-shaped, dark green in color. The young leaves take on a light green color. The stems are thick and quite branched. The shape is shrubby, with medium internodes. The flowering, in the form of greenish umbels, occurs in September-October. It is followed by small fruits in the form of berries, black in color when ripe.
This ivy is interesting both for its aesthetics with its heart-shaped leaves and for its ecological interest with its flowers and fruits, appreciated by pollinators and birds.
History
This cultivar, of unknown origin, was first described by Hibberd in 1872.
Technical leaflet - Hedera hibernica 'Deltoidea Arborescens'
Botanical information
- Family: Araliaceae
- Genus: Hedera
- Species: hibernica
- Cultivar: ‘Deltoidea Arborescens’
- Pierot classification: heart-shaped ivy
- Foliage stage: adult
- Origin of the species: Europe, on the Atlantic coast, from Portugal to Scotland.
- Origin of the cultivar: unknown
Description of Hedera hibernica 'Deltoidea Arborescens'
- Shape: shrubby
- Number of lobes: unlobed
- Leaf length: 4 to 5 cm
- Leaf width: 4 to 5 cm
- Leaf color: dark green
- Leaf color variant: young leaves light green
- Vein color: light green
- Stem and petiole color: pink
- Petiole length: 3 to 4 cm
- Ramifications: quite branched
- Mattress thickness: not very thick
- Internodes: 5 cm
- Hairs: stellar, 3 to 5 branches
Tips for planting, growing and maintaining Hedera hibernica 'Deltoidea Arborescens'
- Exposure: shade, partial shade, sun
- Hardiness: -15°C
- Soil moisture: fresh soil
- Soil pH: neutral or calcareous or acid
- Soil type: all
- Soil richness: ordinary or humus-rich
- Use: pots, isolated, rockery
- Development: moderate
- Pruning: once a year
- Pests: very rare (red spiders, scale insects)
- Diseases: very rare (spots on the leaves)
Ivy in literature
“The walls of the cathedral, overgrown with ivy, seemed to blend into the wild landscape. ”







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