Zamioculcas zamiifolia 'Raven'
Family: Araceae

Native Region
Eastern Africa (Tanzania, Kenya) — cultivar developed in the Netherlands
The best part of Raven ZZ Plant is the color shift. New shoots open green, then darken to purple-black over several weeks. That is normal, not a light problem.
The plant grows from thick rhizomes that store water. That storage makes it tough, but it also means wet soil can hurt it faster than dry neglect.
Wait before moving the plant. New growth needs time to darken.
The color change is the whole point. If you want faster green fill instead, ZZ Plant gives the same basic structure with less waiting.
Buy Raven ZZ Plant for dark foliage and slow structure. If you want faster green mass, choose classic ZZ Plant.
Raven can live in low light, but it grows better in medium to bright indirect light. Better light makes sturdier shoots before they darken.
Do not hide it in the darkest corner just because the leaves are black. Low light slows an already slow plant.
Very low light keeps the plant alive, but the new spears arrive slowly and may stay small. Snake Plant is a better pick for a harsher dry corner.
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Water only after the mix dries well. The rhizomes hold water, so the plant does not need frequent drinks.
Firm stems matter more than a dry-looking surface because the rhizomes hold the reserve.
Do not water because the soil surface looks dusty. Water after the pot dries deeper and feels light.

Use a draining mix and a pot with holes. A heavy decorative pot is fine only if water can leave the grow pot.
Repot slowly. A too-large pot keeps wet mix around rhizomes that do not need it.
A cachepot is fine only if you empty it. Hidden water turns the slow-care advantage into rot.
Division gives the fastest new plant because each piece already has rhizomes. Leaf cuttings can work, but they take a long time to make a real plant.
Leaf cuttings are possible, but they test patience more than Pothos cuttings. Division keeps the dark plant look sooner.
Pests are not the main issue on Raven ZZ Plant. Wet rot is. Soft yellow stems at soil level matter more than a dusty leaflet.
Still, check for scale if leaves feel sticky. Wipe the glossy leaflets so you can see changes early.
If sticky pests appear, check nearby tender plants like Peace Lily before blaming Raven first.
This plant slows down hard in winter. Keep it warm, water less often, and do not expect fast new shoots.
If you repot or divide, do it when the room is warm and light is improving.
A healthy Raven can sit still for weeks. Judge by firm stems and dry-safe roots, not by constant new leaves.
Raven ZZ Plant is not pet-safe. The stiff stems may look chew-proof, but keep it away from pets that bite leaves.
For a pet-safe low-care tabletop plant, Watermelon Peperomia is a safer choice.
For a pet-safe low-care look, Parlor Palm is safer, though it needs more even moisture.