Description
Japanese ivy - Hedera rhombea
In a nutshell
Japanese ivy, Hedera rhombea, It has fine, delicate matt leaves with soft green or silvery veins.
The leaves are rhombic, i.e. diamond-shaped, hence the botanical name. The stems are slender and purple-green, like the petioles.
It is a vigorous creeping or climbing ivy.
Technical details - Hedera rhombea
Botanical information - Hedera rhombea
- Family: Araliaceae
- Genre : Hedera
- Species : rhombea
- Synonyms: Hedera formosana, Hedera japonica, Hedera pedunculata
- Pierot classification: ivy type
- Foliage stage: juvenile
- Origin of the species: Japan, Korea, Taiwan
Description - Hedera rhombea
- Growth habit: spreading, sparse
- Number of lobes: 3, sometimes 5
- Leaf length: 5 to 8 cm
- Leaf width: 4 to 7 cm
- Leaf colour: fairly dark green, matt
- Colour of veins: silver or light green
- Shape of juvenile leaf: rhombic
- Shape of adult leaf: oval
- Leaf base: clearly cordate, sometimes hastate
- Length of petiole: 3 to 8 cm
- Colour of stem and petiole: green to pink
- Internodes: 2 to 3 cm
- Hair: scale-like, 0.1 to 0.3 mm in diameter, reddish in the centre, fairly uniform.
Planting, growing and care tips - Hedera rhombea
- Exposure: shade, part shade
- Hardiness: -12°C
- Soil moisture: cool soil
- Soil PH: neutral, calcareous, acidic
- Soil type: all
- Soil richness: ordinary or humus-bearing
- Use: ground cover, climber
- Development: vigorous
- Pruning: once a year
- Pests: rare (spider mites, scale insects)
- Diseases: rare (leaf spots)
Ivy in literature
“The old wall is adorned with ivy, as if the centuries were entwined in it.”






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