Description
Ornemental ivy – Hedera helix ‘Philosophe’
In a nutshell
The ornamental ivy, Hedera helix ‘Philosophe’, is a very branchy ivy that grows slowly.
The small stems bear 3-lobed leaves, with the central lobe much more developed. When the leaves become mature, the veins are very pronounced.
In winter the foliage turns very red.
History
This cultivar was discovered by Robert Krebs of the German Ivy Society on the Philosophenweg in Heidelberg, Germany, in 1998.
Technical leaflet - Hedera helix 'Philosophe'
Botanical information
- Family: Araliaceae
- Genus: Hedera
- Species: helix
- Cultivar: ‘Philosophe’
- Pierot classification: heart-shaped ivy
- Foliage stage: juvenile
- Origin of the species: Europe, from Spain to Norway, but little on the Atlantic coast.
- Origin of the cultivar: discovered by Robert Krebs of the German Ivy Society on the Philosophenweg in Heidelberg, Germany, in 1998
Description of Hedera helix 'Philosophe'
- Shape: stocky, spreading
- Number of lobes: 3 lobes in general
- Leaf length: 2.5 to 3 cm
- Leaf width: 1.5 to 2 cm
- Leaf color: dark green
- Leaf color variant: turns red in winter
- Vein color: light green
- Stem and petiole color: dark purple
- Stem: very branched
- Internodes: 2 cm
- Peiole length: 2 to 3 cm
- Hairs: stellate, 3 to 5 branches
Tips for planting, growing and maintaining Hedera helix 'Philosophe'
- Exposure: shade, partial shade, sun
- Hardiness: -15°C
- Soil moisture: fresh soil
- Soil pH: neutral or calcareous
- Soil type: all
- Soil richness: ordinary or humus-rich
- Use: ground cover, climbing, pots, planters
- Development: moderate, slow
- Pruning: once a year
- Pests: very rare (red spiders, scale insects)
- Diseases: very rare (leaf spots)

Ivy in literature
“Ivy, faithful to old ruins, is proof that even stones can remember.”
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