Botanical name: Zamioculcas zamiifolia 'Dowon'
Synonyms: Zamioculcas lanceolata, Zamioculcas loddigesii, Caladium zamiifolium
Named by: Conrad Loddiges (1905)
Family: Araceae
Subfamily: Zamioculcadoideae
Genus: Zamioculcas
Native area: Kenya, KwaZulu-Natal, Malawi, Mozambique, Tanzania, Zimbabwe
Trade names: Zamioculcas 'Raven', Zamioculcas zamiifolia 'Raven'
Cultivar inventor: Hyuk Jin Lee
Patent: PP30035
Common names: ZZ 'Raven, Black ZZ plant

Photo by Houseplants.xyz / Negabiljaka.com



Care difficulty: easy
Light preference: partial shade to bright light
Minimum temperature: 10°C (50°F)
Optimal temperature: 15-28°C (59-82°F)
Humidity: low to high
Watering: water when soil has been completelly dry for a while
Fertilizing: 10-10-10, once every two months
Soil: 50% coconut peat, 50% perlite
pH: 6-7
Repotting: every 2-3 years
Speed of growth: moderate
Mature size: up to 1 x 1 meters (3.3 ft.)
Flower: rarely flowers indoors
Propagation: by division, stem or leaf cutting
Pests: aphids
Diseases: root rot
Toxicity: toxic
Notes:
- generally pest and disease free
- overwatering is usually the only issue with this plant
- can be propagated by a leaf cutting but it will take a very long time to get a stem that way