Raven ZZ Plant (Black ZZ Plant) care

Light

If you have a corner where every other plant turned leggy and died, try raven zz plant. Tolerates low light better than almost any flowering houseplant, making it ideal for darker rooms and offices. Best growth and colour development occur in medium indirect light. Avoid direct sun, which yellows and scorches the glossy leaves. The catch: when a low-light plant does fail, it's almost always because someone watered it on the same schedule as their brighter plants. Less light = less water, every time.

Watering

Watering raven zz plant: every 2–4 weeks in growing season; every 4–6 weeks in winter. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Allow the soil to dry out completely between waterings — the rhizomes store water and the plant is highly drought-tolerant. Overwatering is the primary killer: in low light especially, err on the side of underwatering. Ensure the pot drains freely after each watering.

Soil and pot

Raven ZZ Plant grows best in free-draining cactus/succulent mix or loam-based compost with perlite. Use a well-draining mix such as cactus compost or standard potting compost blended with 30–40% perlite or coarse grit. Good drainage is essential to protect the rhizomes from rot. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Raven ZZ Plant sits happiest at around 30–60% humidity and 15–30°C (59–86°F). Highly adaptable to typical indoor humidity levels. Does not require misting or supplemental humidity — average household air of 40–50% is perfectly adequate. If you keep the room above 15–30°C year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed raven zz plant sparingly. Feed with a balanced liquid fertiliser diluted to half strength once a month during spring and summer only. Overfeeding causes leggy, weak growth. No feeding required in autumn and winter. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on raven zz plant in the Growli community. Each is annotated with the most common cause so you know where to start.

• Yellow leaves from overwatering — The most common issue. Yellow, mushy stems at the base indicate root or rhizome rot. Remove the plant from the pot, cut away rotted tissue, allow to dry for a day, and replant in fresh dry compost. Drastically reduce watering frequency.
• Slow colour darkening — New leaves emerge green and take several weeks to mature to near-black — this is normal for the Raven cultivar. Ensure the plant receives adequate indirect light, as very low light can slow the darkening process.
• Scale insects — Flat, waxy brown bumps on stems and leaf undersides. Wipe off manually with a cotton bud dipped in rubbing alcohol and treat with a systemic insecticide or neem oil for persistent infestations.

Propagation

Divide the rhizomes in spring when repotting — each section needs at least one stem. Alternatively, take leaf-stem cuttings: insert individual leaflets into moist potting mix and cover loosely; new rhizomes form at the base over 2–4 months, though this is very slow. Note: 'Raven' is a patented cultivar and cannot be commercially propagated without a licence. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Raven ZZ Plant is toxic to pets. Zamioculcas zamiifolia and all its cultivars, including 'Raven', contain insoluble calcium oxalate crystals throughout the plant. The ASPCA lists ZZ plant as toxic to cats and dogs, causing oral irritation, excessive drooling, vomiting, and difficulty swallowing if ingested. Keep out of reach of pets and children. Wash hands after handling. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Raven ZZ Plant deep-dive guides

Every aspect of raven zz plant care, each with its own calibrated guide:

• Common raven zz plant problems & fixes
• Raven ZZ Plant watering schedule
• Raven ZZ Plant light requirements
• Best soil mix for raven zz plant
• Raven ZZ Plant fertilizing guide
• When to repot raven zz plant
• How to propagate raven zz plant
• How to prune raven zz plant
• What's eating my raven zz plant?
• Raven ZZ Plant growth rate & size
• Raven ZZ Plant cold hardiness
• Raven ZZ Plant temperature & humidity
• Is raven zz plant toxic to cats & dogs?
• Is raven zz plant toxic to cats?
• Is raven zz plant toxic to dogs?
• All 6 Zamioculcas varieties

Featured in these plant shortlists

Raven ZZ Plant qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
• Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Raven ZZ Plant is also known as Raven ZZ Plant, Black ZZ Plant, and Zanzibar Gem Raven.

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