Philodendron hederaceum var. oxycardium or Heartleaf Philodendron is fast growing climber and quite easy to care for.
It is also widely known as Philodendron scandens: the plant was identified independantly by different botanists and, in the end, the officially accepted scientific name is P. hederaceum. This is then divided in 3 varieties: var. oxycardium, var. kirkbridei, var. hederaceum.
Oxycardium and hederaceum are the most commonly available, they can be distinguished by the leaves: those of oxycardium are glossy while those of hederaceum are velvety.
All parts of the plant are mildly toxic.
Philodendron hederaceum var. oxycardium is a climbing, epiphytic vine growing up to 15 m high.
The stems are usually smooth, with internodes of 5-26 cm long and to 1 cm in diameter.
The leaves are heart shaped, shiny, dark green, up to 30 cm long. They grow on petioles of 8-23 cm long.
The flowers grow on a spadix. Flowering is very rare.
Heartleaf philodendron, vilevine
Arum hederaceum, Philodendron acrocardium, Philodendron cuspidatum, Philodendron harlowii, Philodendron micans, Philodendron microphyllum, Philodendron miduhoi, Philodendron oxyprorum, Philodendron pittieri, Philodendron scandens
Tropical moist forest, between 120-580 m
Commercial potting soil
Light, no direct sunlight, tolerates partial shade
Keep evenly moist. Water when the soil feels slightly dry, about once a week.
During growing season, every 2 weeks with universal liquid fertilizer. In the winter, once a month.
Room temperature: 18-25 °C. Growth stops at 15 °C.
The plant may be pruned to control size, in spring. Pruning will result in a bushier plant.
Repot in spring, about every two years, use a 1 size bigger pot. For big specimens in big pots, refreshing the surface soil will do.
By cutting and layering.
Make sure you there is a node as this is where roots will form. Rooting can be done in water or straight in potting soil, at room temperature.
- Philodendron hederaceum var. oxycardium: KENPEI