Hoya carnosa 'Grey Ghost' is a distinctive cultivar of the Hoya carnosa species, renowned for its unique foliage. The leaves are predominantly silvery-grey with minimal green variegation, giving the plant a ghostly appearance. This coloration is due to the heavy presence of silvery speckles that cover the leaf surface. The plant produces clusters of star-shaped flowers that are typically light pink but can range from near-white to dark pink.
Native to: As a cultivar, Hoya carnosa 'Grey Ghost' does not occur naturally in the wild but has been developed through cultivation. The parent species, Hoya carnosa, is native to East Asia, including southern China, Taiwan, Laos, and Japan.
Water: Requires well-draining soil; water thoroughly but allow the soil to dry out between waterings. Overwatering can lead to root rot, so it's essential to let the top layer of soil dry before the next watering. In fall and winter, reduce watering frequency as the plant's growth slows.
Light: Thrives in bright, indirect light; avoid direct sunlight, which can scorch the leaves. Insufficient light may result in slower growth and reduced flowering. Some growers have observed that too much light can cause the leaves to become greener, while less light allows them to stay more silver.
Humidity: Prefers moderate to high humidity levels. While it can adapt to average indoor humidity, increasing humidity through occasional misting or using a humidity tray can promote healthier growth.
Temperature: Favours temperatures between 18–24°C. Protect from cold drafts and avoid exposure to temperatures below 15°C.