Houseplant · Strelitziaceae

Bird of Paradise

Strelitzia reginae

Give it all the sun you can and a few patient years, and the crane flower repays you with one of the most striking blooms you can grow indoors.

Light

Full sun

Warmth

50–⁠81°F · 10–⁠27°C

Hardiness

USDA 10–⁠12

Mature size

3–⁠5 ft · 0.9–⁠1.5 m

Toxic to cats, dogs, horses & more
Bird of Paradise

Overview

The bird of paradise earns its name at flowering, when an orange-and-blue bloom emerges from a beak-shaped bract that genuinely resembles a crane in flight. It is a clump-forming perennial out of South Africa, grown worldwide for those bold flowers and its broad, banana-like leaves. Most growers keep it as a houseplant, though in a frost-free climate it performs just as well outdoors.

Its two demands are light and time. The plant wants as much sun as you can give it, and without that intensity the flower buds never form, however carefully you water. It also will not be rushed. A young specimen spends several years building size before it flowers at all, so the payoff belongs to the patient grower.

Once established, the plant is undemanding. Steady warmth, humid air, and a pot it can nearly outgrow keep it in good health, and the two real pitfalls are a waterlogged mix and too little light. Manage those two correctly and little else needs attention.

Care

The short version: put it in the brightest position you have, keep the soil moist but never soggy through the growing season and drier in winter, hold up the humidity, and leave it slightly pot-bound so it commits its energy to flowering.

Light

Supply as much direct sun as you can manage, ideally a south-facing window or the brightest outdoor position. The plant accepts partial shade, but light intensity is what drives flower-bud formation, so a dim corner yields healthy foliage and no blooms.

Water

During the warm growing season, water freely and hold the mix moist yet never waterlogged. Indoors, allow the top of the potting mix to dry a little between waterings, and cut right back in winter. A saturated pot starves the roots and rots them, which is the quickest way to lose the plant.

Soil

Use a fertile, well-drained loamy mix rich in organic matter. Drainage is the single most important factor here, because moisture sitting around the roots is what triggers root rot.

Temperature

Its comfort range runs from 50°F and 81°F (10°C to 27°C), and it carries no tolerance for frost. Move container plants indoors ahead of the cold, and keep it above roughly 50°F (10°C) to maintain active growth.

Humidity

The plant prefers moist air, around 50% to 60%. In dry indoor rooms, particularly through winter, mist the foliage or stand the pot on a tray of damp gravel so the leaf margins do not brown.

Feeding

Feed during spring and summer only, using a water-soluble houseplant fertilizer, every two weeks in spring and as often as weekly in summer. Withhold feed in fall and winter, and keep the dose moderate, since excess nitrogen drives leaf growth and suppresses flowering.

Pruning

Pruning stays minimal. Remove spent flower stalks along with any dead or badly shredded leaves, and wipe the foliage clean with a soft cloth. Avoid leaf-shine products, which coat and block the leaf surface.

Repotting

Repot only when necessary, because the plant flowers better when pot-bound and an oversized container merely postpones the blooms. Refresh the top few centimeters of soil annually, and move it up a size only in early spring once roots have filled or cracked the pot.

Size & spacing

Indoors it grows to roughly 3 to 5 feet (90 to 150 cm) tall with a spread of about 2 to 4 feet (60 to 120 cm), so allow a mature clump enough space for its broad leaves to arch outward.

Troubleshooting

Nearly every bird of paradise problem comes back to one of three things: light, water, or cold. The leaves register the stress first, so match the symptom below and respond before a minor lapse turns into a real setback.

Severe

Yellowing and collapse despite constantly moist soil

A plant that wilts in a mix that never dries has lost root function to root rot, the result of a poorly draining medium or too much water starving the roots of oxygen. Tip it out, prune off every brown, mushy root, and set it back into fresh, fast-draining mix. Going forward, water only once the top of the mix has dried, and hold it on the dry side through the cool season.

Fix:

  • Remove from pot and cut away rotted roots
  • Repot into fresh, fast-draining mix
  • Water only after the mix has dried slightly and ensure good drainage
Severe

Blackened, water-soaked foliage from frost exposure

The species has no frost tolerance, so leaf tissue held near freezing ruptures and turns black, water-soaked, and limp. Move containers under cover ahead of the first frost, then cut the spoiled leaves away once the cold has lifted. Keeping it in active growth means never letting temperatures settle below roughly 50°F (10°C).

Fix:

  • Bring container plants indoors before first frost
  • Remove damaged foliage once danger of frost has passed
Setback

No flowers, year after year

The flower buds form only in response to high light, so a plant kept short of it stays leafy and bloomless; a mature specimen needs near full sun to push out those crane-shaped flowers. Age is the second factor, because a seedling or recent division simply has not built the mass to flower yet. Hold off on moving it to a bigger pot, since the roots flower more freely when slightly pot-bound, and cut back on feed if the plant is all leaf and no bud.

Fix:

  • Move to the brightest possible spot with several hours of direct sun
  • Allow the plant to mature and become pot-bound rather than repotting
  • Replace only the top layer of soil yearly instead of up-potting
  • Reduce fertilizer if foliage is lush but flowers are absent
Setback

Stippling, cottony masses, or scale on the foliage

Under indoor conditions the foliage attracts a familiar set of sap-feeders. Fine webbing with stippled, speckled leaves indicates spider mites, cottony white tufts indicate mealybugs, and the small brown bumps clinging to stems and leaves are scale. Clean the leaves down by hand, apply insecticidal soap or horticultural oil, and quarantine the plant away from the rest until the infestation is broken.

Fix:

  • Wipe leaves with a soft cloth
  • Treat with insecticidal soap or horticultural oil
  • Isolate affected plants and repeat treatment as needed
Cosmetic

Brown, crispy edges along the leaves

Browning at the margins traces to dry air pulling moisture from the leaf faster than the roots replace it, and indoor heating in winter is when that gap opens widest. Letting the mix dry out fully compounds the stress. Lift humidity toward 60% by misting or setting the pot over a tray of damp gravel, water on a consistent schedule, and keep feeding while the plant is in growth.

Fix:

  • Raise humidity by misting or standing the pot on a tray of damp gravel
  • Water consistently so the mix does not dry out completely
  • Feed regularly during the growing season
Cosmetic

Big leaves tearing along the veins

Nothing is wrong here. The broad paddle leaves tear along their veins by design, which lets gusts pass straight through rather than loading the leaf like a sail and snapping the stalk. The plant stays unharmed. The only way to keep the foliage uncut is to move an outdoor specimen into a more sheltered position.

Fix:

  • No treatment needed - splitting is a natural response
  • Move outdoor plants to a more sheltered spot if intact foliage is desired

Toxicity

This plant rates as mildly toxic, with the irritant compounds concentrated in the fruit and seeds. A pet that chews on it is far more likely to develop a queasy stomach than anything serious, but keeping the flowering stalks and dropped seeds out of reach remains the safe practice. Do not confuse it with the much more poisonous shrub that carries the same common name.

Toxic to

Cats · Dogs · Horses · Rabbits · Livestock · Birds · People

Cats Mild

A cat that bites into the fruit or seeds may drool, vomit, and grow listless. The reaction tends to resolve on its own, but ring the vet if it lingers.

Dogs Mild

Look for mild nausea, occasional vomiting, and a generally tired dog. Since the irritants sit in the fruit and seeds, chewed leaves pose much less risk.

Horses Mild

A horse that eats the fruit or seeds can become nauseated and dull. Keep the flowering stalks out of reach in any area where horses graze.

Rabbits Caution

The gut irritants that affect cats and dogs are no safer for a rabbit. Keep one from grazing on the plant, and sweep up any seeds that drop.

Livestock Caution

The fruit and seeds can give goats, sheep, and cattle a stomach upset. A quick taste rarely turns serious, yet the plant is not suitable forage.

Birds Caution

Keep pet birds from picking at the seeds or fruit. Treat the whole plant as off limits and provide safe greens in its place.

People Caution

No part of this plant is meant for eating, and the fruit and seeds can unsettle the stomach. Keep young children from putting the seeds in their mouths.

Toxic principles are concentrated mainly in the fruit and seeds

Helpline numbers

United States

ASPCA Animal Poison Control: (888) 426-4435 (fee applies)

Poison Control: (800) 222-1222

United Kingdom

Animal PoisonLine: 01202 509000 (fee applies)

NHS: 111

Australia

Animal Poisons Helpline: 1300 869 738

Poisons Information Centre: 13 11 26

Canada

Poison Centres: 1-844-764-7669

Varieties

The plain orange species accounts for most plants in cultivation, though one named selection deserves a mention.

'Mandela's Gold'

A distinctive selection in which the typical orange gives way to yellow and purple flowers carried on a grey-and-pink spathe.

How to propagate

There are two routes to new plants, and they sit at opposite ends of the patience scale: one delivers quickly, the other asks you to wait years.

DivisionModerate

Early spring, when the clump is root-bound · Divisions can flower within a year or two

Dividing the rhizome clump is the fast lane to flowers, because each piece carries established roots already at flowering size. Work in early spring once the plant has filled its pot, splitting the clump so every section keeps a fan of leaves and its own share of root. A sound division can bloom within a year or two, well ahead of a seed-grown plant.

SeedDemanding

Fresh seed, germinated warm (75-90°F) · Germinates in 6-12 weeks; 4-10 years from seed to first flower

Seed is the patient gardener's route, since viability fades fast and germination is slow. Sow fresh seed and hold it warm, around 75°F to 90°F (24°C to 32°C), and expect 6 to 12 weeks before it sprouts. After that comes 4 to 10 years until the first flower, the reason most growers reach for division instead.

Myths

Myth

Strelitzia reginae is one and the same species, of equal toxicity, as the shrub known as bird of paradise.

Reality

The common name is all they have in common. This crane flower is Strelitzia reginae, which the ASPCA classifies as only mildly toxic, producing little more than stomach upset. The shrub also sold as bird of paradise is the unrelated Caesalpinia gilliesii, and its toxicity is far higher. The ASPCA warns outright not to mix up the two.

Myth

Splitting or shredding of the leaves indicates disease in the plant.

Reality

That tearing is entirely normal. The broad paddle leaves split along their veins on purpose to let wind pass through, and it shows up most on plants outdoors or in a draft. The plant suffers no harm from it, and the only route to whole foliage is shielding it from wind.

Sources