Rush-leaved bird of paradise

Strelitzia juncea. Family Strelitziaceae. Perennial.

Also called Rush-leaf bird of paradise, Narrow-leaved bird of paradise.

Strelitzia juncea is a slow-growing, evergreen South African perennial with upright, reed-like foliage and orange-and-blue bird-of-paradise flowers. Gardeners grow it for its spare, architectural shape and drought tolerance once established. In cold climates, grow it in a container and overwinter it in a bright, frost-free place.

Hardiness

USDA zones 9b to 11b

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  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13

Grows outdoors in the shaded zones. Select a zone to see what else grows there.

Rush-leaved bird of paradise
Photo: Andrew Hankey
Rush-leaved bird of paradise
Photo: Andrew Hankey
Rush-leaved bird of paradise
Photo: Andrew Hankey

At a glance

Sun
Full sun for the best flowering; tolerates light shade but flowers less freely.
Water
Water regularly during establishment. Once established, allow the soil to dry between thorough waterings; keep much drier in cool winter conditions.
Soil
Well-drained sandy or loamy soil; avoid waterlogged clay. In containers, use a free-draining potting mix with added grit or perlite.
Height
3-6 ft (0.9-1.8 m)
Spread
3-5 ft (0.9-1.5 m)
Flowers
Orange flowers with blue tongues emerge from horizontal, beak-like sheaths, usually from late winter into spring, sometimes continuing into summer in warm climates.
Foliage
Evergreen. Stiff, upright, grey-green, cylindrical leaf stalks form a dense clump. Mature plants have little or no flat leaf blade; seedlings initially produce broader leaves.
Growth
Slow
Care needed
Low

The year at a glance

  • Drought tolerant
  • Heat tolerant
  • Low allergen
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Flowers
Plant

Northern hemisphere months. In Australia, shift them by six.

Difficulty
Moderate
Toughness
Fairly tough

Will it suit your garden?

Pick your zone, country, light and whether you have pets.

Full sun is 6 or more hours of direct sun a day, part shade 3 to 6 hours, shade under 3.

How it grows

  1. Planting day

    1 ft (0.3 m)

  2. After 1 year

    1.7 ft (0.52 m)

  3. After 2 years

    2.4 ft (0.74 m)

  4. After 3 years

    3 ft (0.96 m)

  5. After 5 years

    4 ft (1.4 m)

    full size

About 5 years to full size.

From a typical nursery size, at an average rate for this kind of plant. A rule of thumb, not a forecast.

Good to know

Cats and dogs
Toxic
Growth rate
Slow

Care

Jobs through the year

WaterApr–May, Sep–Oct, every 14 days
Water established plants only after soil dries; young plants and pots need more frequent checks.
WaterJun–Aug, every 7 days
Water established plants deeply if soil has dried; avoid saturated roots.
WaterJan–Mar, Nov–Dec, every 28 days
Under frost-free cover, water sparingly only when nearly dry.
FeedApr
Apply a light dose of balanced fertiliser as growth resumes.
PruneMay
Remove dead or frost-damaged growth at its base; retain healthy green stalks.
DeadheadMar–Aug, every 14 days
Cut finished flower stalks at the base.
ProtectSep–Oct
Move pots into bright, frost-free shelter before frost; outdoor overwintering is unsuitable in zones 6–7.
  • Plant in a sunny, warm position with excellent drainage and room for the clump to widen.
  • Water deeply during establishment, then let the soil dry between waterings.
  • Feed lightly with a balanced fertiliser in spring; avoid heavy feeding.
  • Keep mulch away from the crown and do not leave containers standing in water.
  • Move container plants under bright, frost-free cover before frost; established outdoor plants tolerate only brief, light frost.
  • Repot only when necessary, as frequent root disturbance can delay flowering.

Pruning. Remove spent flower stalks and dead or damaged foliage at the base with clean secateurs. Do not shear the clump or shorten healthy green stalks.

Through the year

Spring
Plant or repot as temperatures rise, keeping the crown at its previous soil level.
Spring
Apply a light dose of balanced fertiliser and resume more regular watering.
Summer
Water newly planted clumps deeply; let established plants dry between waterings.
Late summer
Remove spent flower stalks and check sheltered foliage for scale insects.
Autumn
Reduce watering as growth slows and move pots indoors before frost.
Winter
Keep overwintering plants bright, frost-free and relatively dry, watering just enough to prevent prolonged complete drying.

In the garden

  • Use a single mature clump as an architectural focal point beside a sunny entrance.
  • Repeat clumps through a gravel garden with aloes and ornamental grasses for contrasting upright forms.
  • Grow in a large, stable container on a sunny terrace where the orange-and-blue flowers can be seen closely.
  • Plant against a plain wall to show off the fine, vertical foliage and its shadows.

Garden styles it suits: Architectural minimal, Contemporary minimal, Modern Mediterranean, Dry gravel garden, Desert / xeriscape and South African fynbos.

Plant it with: Agapanthus, Society garlic, Red hot poker, Blue chalksticks, Coral aloe and Lomandra.

Wildlife: Flowers provide nectar for birds in its native South African habitat. Elsewhere, visiting wildlife varies, and reliable seed production may require hand pollination.

Problems to watch for

  • Root or crown rot in wet soil: improve drainage, reduce watering and keep the crown above standing water.
  • Scale insects and mealybugs, especially under cover: inspect regularly, wipe off small infestations and use a labelled insecticidal soap where appropriate.
  • Few or no flowers: provide more direct sun and allow time for maturity; seedlings and recently divided plants may take several years to flower.
  • Frost damage: move pots under cover before freezing weather; remove damaged growth only after the risk of further frost has passed.

Safety

Treat as potentially toxic if eaten, particularly the seeds. Bird-of-paradise plants are associated with gastrointestinal upset in cats, dogs and people, but information specific to Strelitzia juncea is limited. Toxicity to horses is not well established; keep it out of grazing areas and prevent pets and children from eating it.

Easily confused with

  • Bird of paradise (Strelitzia reginae)

    Has broad, paddle-shaped leaf blades on long stalks; mature Strelitzia juncea has cylindrical foliage with little or no blade. Their flowers are very similar.

  • Giant bird of paradise (Strelitzia nicolai)

    Develops tall, trunk-like stems, very large banana-like leaves and white-and-blue flowers rather than orange-and-blue flowers.

The name

Strelitzia honours Queen Charlotte of Mecklenburg-Strelitz, while juncea means rush-like, referring to the narrow, upright foliage.

Propagation. Propagate from fresh seed in warmth; germination can be slow and uneven, and flowering takes several years. Divide large, established clumps in spring, retaining substantial roots and several growing points on each division; divisions recover slowly.

Checked against open data

Accepted botanical name
Strelitzia juncea
Native range
Cape Provinces.

Sources: GBIF (CC BY 4.0) and Trefle (CC BY 4.0). The care and design notes are LandscapeGPT's own.

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