ZZ Plant Care Guide | Potting Corner

The ZZ plant might be the closest thing to an unkillable houseplant. Native to Eastern Africa it evolved to survive drought by storing water in thick underground rhizomes. This means it handles neglect, low light and inconsistent care better than almost any other houseplant. If you've killed every plant you've owned, ZZ might be your redemption.

For a complete beginner overview, see Indoor Plants for Beginners: Easy Plants and Care Basics.

The Direct Answer: Quick Care

Factor	Requirement
Light	Low to bright indirect (very adaptable)
Water	Every 2-4 weeks, let dry completely
Humidity	Not important
Temperature	65-85°F (18-29°C)
Soil	Well-draining potting mix
Fertilizer	Rarely needed, monthly in summer if desired

The rule: Water less than you think. The rhizomes store water for weeks. When in doubt, wait another week before watering.

Why ZZ Plants Are So Easy

Built-In Water Storage

Underground survival system:

Thick rhizomes (potato-like structures) store water
Can survive months without watering
Glossy leaves retain moisture
Evolved for East African dry seasons

Light Adaptability

Thrives almost anywhere:

Low light (survives, slow growth)
Medium light (grows steadily)
Bright indirect (grows fastest)
Tolerates fluorescent office lighting

Minimal Pest Problems

Naturally resistant:

Waxy leaves deter most pests
Rarely attracts insects
Thick leaves resist damage
One less thing to worry about

Light Requirements

What ZZ Tolerates

Almost anything:

Windowless office with fluorescent lights
North-facing windows
Interior rooms with some light
Bright indirect near windows

What ZZ Prefers

Better conditions for growth:

Medium to bright indirect light
East-facing windows
A few feet from south/west windows
Consistent light exposure

Low Light Reality

What to expect in dim conditions:

Slower growth (sometimes very slow)
Fewer new stems
Plant survives but doesn't expand quickly
Perfectly fine for years

See Indoor Plant Light Guide: Where to Place Houseplants.

Watering

The Golden Rule

Less is always more:

Let soil dry completely between waterings
Every 2-4 weeks in bright light
Every 3-6 weeks in low light
Monthly or less in winter

How to Check

Before watering:

Stick finger deep into soil (not just surface)
Soil should be dry several inches down
Lift pot, light pot means dry
When truly unsure, wait another week

Signs of Overwatering

The only real danger:

Yellowing leaves
Soft, mushy stems at base
Rhizome rot
Soil that never dries

See Overwatered Plant: How to Save It.

Signs of Underwatering

Rare but possible:

Leaves wrinkling or shriveling
Stems drooping
Dry, crispy leaf tips
Easily fixed with thorough watering

See How to Water Houseplants: The Beginner's Guide.

Popular Varieties

Zamioculcas zamiifolia (Classic)

The standard:

Dark green glossy leaves
Stems arch gracefully
Most commonly available
Extremely hardy

Raven ZZ

Dramatic dark foliage:

Leaves emerge green, turn dark purple-black
Same easy care as classic
Striking appearance
Slightly slower growing

Zenzi ZZ

Compact version:

Dwarf variety with smaller leaves
Tighter, more compact growth
Perfect for small spaces
Same tough nature

Zamicro

Smallest variety:

Very compact growth
Tiny leaves on short stems
Great for desks
Less common but available

Propagation

Division (Easiest Method)

Separating rhizomes:

Remove plant from pot
Gently separate rhizomes (each section needs stems)
Let cut ends dry for a few hours
Plant divisions in separate pots
Water sparingly until established

Leaf Cuttings

Slower but works:

Cut a healthy leaf with part of stem
Let cut end dry overnight
Plant in moist, well-draining soil
Wait patiently (takes months)
Rhizomes form first, then new growth

Water Propagation

Alternative method:

Place leaf cutting in water
Change water weekly
Roots develop in 3-4 months
Transfer to soil when roots establish
Very slow but satisfying to watch

Troubleshooting

Yellow Leaves

Most common issue:

Usually overwatering
Check soil moisture (should be dry)
Reduce watering frequency
May indicate rhizome rot if severe

See Yellow Leaves on Houseplants: What's Wrong.

Leaning Stems

Several causes:

Reaching for light (rotate plant)
Heavy stems (normal, can stake)
Root problems (check for rot)
Normal with very long stems

Brown Leaf Tips

Minor concern:

Inconsistent watering
Low humidity (rarely an issue)
Fluoride sensitivity
Usually cosmetic only

No New Growth

Patience required:

ZZ plants grow slowly
Even slower in low light
May pause in winter
New stems emerge from soil base

Soil and Repotting

Best Soil Mix

Drainage is essential:

Cactus/succulent mix works well
Add perlite to standard potting mix
Avoid moisture-retaining soils
Good drainage prevents rot

When to Repot

Infrequent need:

Every 2-3 years typically
When rhizomes are pushing out of pot
When roots circle the container
Spring is best timing

Pot Selection

Match the plant's nature:

Must have drainage holes
Terracotta helps with drying
Don't overpot (too much soil stays wet)
Slightly rootbound is fine

See How to Choose the Right Pot Size for Houseplants.

Common Mistakes

Overwatering

The biggest killer:

Most people water too often
Rhizomes rot in wet soil
Less water is always safer
Set reminders to wait not to water

Too Large a Pot

Creates problems:

Excess soil holds too much water
Roots can't use all the moisture
Leads to root rot
Go up only 1-2 inches when repotting

Expecting Fast Growth

Setting wrong expectations:

ZZ plants are naturally slow growers
New stems take weeks to unfurl
Low light means even slower
Patience is essential

Direct Hot Sun

One thing they don't tolerate:

Scorches leaves
Causes pale or bleached patches
Keep away from hot south windows
Bright indirect is the limit

Frequently Asked Questions

How often should I water my ZZ plant?

Every 2-4 weeks in bright light less often in low light or winter. Always let soil dry completely between waterings. When in doubt, wait another week, underwatering is far safer than overwatering.

Can ZZ plants grow in a windowless room?

They can survive for a while under artificial lighting (fluorescent or LED) but no plant truly thrives without any light. Even ZZ plants need some light source for photosynthesis.

Are ZZ plants toxic?

Yes, all parts contain calcium oxalates that cause irritation if ingested. Keep away from children and pets that chew plants. Wash hands after handling if you have sensitive skin.

Why does my ZZ plant have yellow leaves?

Almost always overwatering. Check soil moisture it should be dry well below the surface. Yellow leaves at the base can also be natural aging but multiple yellowing leaves indicate watering problems.

How big do ZZ plants get?

Indoors, typically 2-4 feet tall over many years. They grow slowly, adding only a few stems per year. They can be kept smaller by limiting pot size or dividing when they get too large.