Houseplant · Acanthaceae
Zebra Plant
Aphelandra squarrosa
Dark leaves ribbed with white stripes and a tall yellow spike, held up by the warm, humid air the plant keeps asking for.
Bright indirect
64–81°F · 18–27°C
USDA 11–12
4–6 ft · 1.2–1.8 m
Overview
Up close, the leaves are what hold you. Each broad blade runs a deep, dark green, and across it bright white veins branch out in bold ribs that stripe the surface like a zebra's coat. Even without a flower, that patterned foliage carries the plant.
When it blooms, the color climbs upward. A tall spike rises from the center, crowded with showy yellow bracts, and yellow flowers open from among them. That spike holds for weeks before it fades.
Everything about that appearance leans on warmth and moist air. In the high humidity it came from on the Brazilian forest floor, the leaves stay firm and deep green; in dry air they brown along the tips and edges and drop from the bottom, leaving bare stem. The plant grows slowly, lives only a few years, and earns its demanding name in the effort its looks require.
Care
The short version: bright indirect light, warmth above 65°F (18°C), and high humidity around the leaves. Hold the soil evenly moist all year without soaking or drying it, and feed lightly through the growing season.
Light
Set in bright indirect light beside a window and away from direct sun, the broad leaves keep their deep green ground and crisp white veining. In partial or full shade the plant survives, but that striping reads sharpest where soft light falls on it steadily.
Water
Hold the soil evenly moist all year, never dried to a crust and never left soggy, and the leaves stay firm and full. Through the rest after flowering, water a little less without stopping. Let it swing wet to dry and the lowest leaves lose their green, browning and falling away.
Soil
Root it in a peaty, free-draining mix dense with organic matter. The plant favors acidic ground, a pH at or below 6.0, so a blend for acid-loving plants matches what its roots want.
Temperature
Keep it warm, between 64°F and 81°F (18°C to 27°C), and never under 65°F (18°C). A cold snap or a passing draft shows quickly in browned, dropping leaves.
Humidity
Damp air is what keeps the foliage looking its best, and it is the hardest thing to give indoors. The plant wants high humidity, well beyond a heated room, so a tray of wet pebbles beneath the pot or a moist room such as a bathroom keeps the leaf tips from crisping.
Feeding
Through the growing season, from late winter, offer a dilute liquid feed every couple of weeks. A weak, steady feed keeps the leaves deep green, where a strong dose burns at the roots.
Pruning
Once the yellow spike has browned and faded, cut the plant back to about 12 to 18 inches (30 to 46 cm) and leave roughly two rows of leaves. From those stubs, fresh green shoots push out low and thick rather than stretching thin and bare.
Repotting
Repot it once a year. Roots coiling against the pot wall, soil that drains dry faster than before, and growth that stops are the signs its roots have run out of room.
Size & spacing
In time it stands 4 to 6 feet (122 to 183 cm) tall and spreads 4 to 5 feet (122 to 152 cm) wide, a broad mound of striped leaves, though its slow pace and regular cuts usually hold it lower. Leave space so air slips between the leaves.
Troubleshooting
Almost every mark on a zebra plant is written on its leaves, and almost always it points to air that is too dry or too cold. Browning shows first at the leaf tips and along the lowest leaves. Match the look below and correct the cause before the striping thins.
Lower leaves browning and dropping from the stem
As the bottom leaves turn brown and let go, dry air is usually behind it, since this rainforest plant cannot hold its color in the parched warmth of a heated room. A cold draft or soil dried to the core loosens those lower leaves as well. Lift the humidity, keep it above 65°F (18°C), and water before the mix dries to hold the leaves on.
Fix:
- Raise humidity by setting the pot on a tray of wet pebbles or moving it to a bathroom
- Keep temperatures above 65°F (18°C) and away from cold drafts
- Maintain consistent soil moisture without letting it fully dry or waterlog
Crisp brown edges rimming otherwise green leaves
When only the tips and margins go brown and papery while the blade stays green, the air is too dry. A tray of wet pebbles under the pot, or a humid room such as a bathroom, settles it, and the leaves that unfurl next hold clean, whole edges.
Fix:
- Increase humidity around the plant with a pebble tray or humid room
Leaves scorching beside a vent or door
A stream of hot or cold air pulls moisture from the leaf surface faster than the plant can restore it, and the foliage takes on a dry, scorched look. Set it away from vents, doorways, and drafty corners, in a still, humid spot, and the new leaves come in whole.
Fix:
- Relocate away from heating/cooling drafts to a humid, stable spot
Toxicity
The leaves that look so striking carry nothing harmful. The ASPCA lists the zebra plant as non-toxic to cats, dogs, and horses, and no known toxins sit in the foliage to threaten other animals or people. A bitten leaf does no harm, though the plant is one to look at rather than taste.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Those striped leaves hold nothing toxic to cats. The ASPCA lists the zebra plant as non-toxic to them, so a chewed leaf does no harm.
Dogs None
A dog can bite into a leaf without harm, since the ASPCA marks this plant non-toxic to them.
Horses None
Horses are unharmed by it as well, the ASPCA counting the zebra plant among plants non-toxic to them.
Rabbits None
No toxin sits in the foliage, so a rabbit that nips a leaf stays fine, though it is not grown as feed.
Livestock None
Grazing animals face no poisoning from this houseplant, which seldom stands anywhere near them.
Birds None
A pet bird can land on the leaves or peck at them with no toxic effect.
People None
The leaves carry no known toxins, so a child who tastes one is safe, even though the plant is grown for its striped foliage rather than the table.
Varieties
The zebra plant grown indoors is nearly always the plain species, the same dark, white-veined form you meet on the shelf.
Aphelandra squarrosa
Its broad, dark green leaves are ribbed with bold white veins that stripe them like a zebra, and in bloom a long-lasting spike of yellow bracts stands above the foliage.
How to propagate
Because the plant lives only a few years, a cutting is how its striped leaves carry on. It roots from the same bare stems left after pruning.
Stem cuttingsModerate
Use cuttings taken from stems pruned after flowering · Several weeks to root in warm, humid conditions
The bare stems left after flowering are what you root, striking over several weeks in warmth and steady humidity. It is worth doing, because the plant grows slowly and lives only a few years, so a cutting or two keeps a fresh, striped-leaved zebra plant coming as the parent fades.
Myths
The zebra plant must pass through a strict winter dormancy to survive.
No such dormancy is forced on it. After the bloom fades the plant only wants a quiet rest, which means watering less for a while rather than not at all. Ease off, but keep watering, or the roots dry and the lower leaves brown and fall.