tropical

China Doll

Radermachera sinica

The Story

Plant Bio

Radermachera sinica is a fast-growing evergreen tree from subtropical Asian mountain regions, widely grown in North America as a dense, upright indoor foliage plant. The highly ornamental foliage consists of large, bipinnate compound leaves divided into numerous small, glossy, dark green leaflets that emerge a bright, light green.

Though mature outdoor specimens produce large, white, trumpet-shaped flowers that open at night, container-grown indoor plants rarely bloom. The species is highly valued instead for its architectural, multi-stemmed form and delicate, lacy canopy of deeply divided leaves.

Uses & Benefits:

Ornamental UsesProvides a lush, lacy, emerald-green canopy with an elegant, architectural, multi-stemmed form indoors.
Practical UsesServes as an excellent, non-toxic indoor specimen plant that adapts well to slightly root-bound container conditions.
Ecological BenefitsOffers minimal ecological value when grown indoors, though outdoor tropical plantings may occasionally attract nocturnal pollinators.

Essentials

At a Glance

Plant Type

Tropical

Height

72"

Width

36"

Light

Partial Sun, Shade

Zones

10

Water

Moderate

Humidity

Moderate to high

Lifespan

Multi-year

Native To

Asia

Toxicity

Toxic to pets

Bloom period

Spring – Early summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 4 months of the year

Planting

How to Grow

  1. Position the plant in a location receiving bright, indirect light, avoiding direct afternoon sun which scorches the glossy leaflets.
  2. Plant in a rich, organic, soil-based potting mix within a container that is only slightly larger than the root ball.
  3. Water thoroughly when the top inch of soil feels dry, ensuring the potting mix remains evenly moist but never waterlogged.
  4. Maintain moderate to high humidity by misting the foliage regularly or placing the container on a wet pebble tray.

Pro Tip

Prune stems lightly in spring to maintain a bushy habit; cutting back into old, leafless, woody stems gives slow, patchy regrowth.

Keep It Thriving

Care Guide

Do

  • Keep the soil consistently and evenly moist to prevent sudden leaf drop.
  • Provide bright, filtered light to maintain dense, compact growth.
  • Repot every two to three years into a slightly larger container to accommodate root-bound preferences.

Don't

  • Do not allow the potting mix to dry out completely, which triggers immediate and catastrophic leaf drop.
  • Do not overpot into an oversized container, as excess soil retains moisture and causes fatal root rot.
  • Do not prune hard into old, bare, woody stems.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Indoor FoliagePatio ContainerSpecimen Plant

Multiply

Propagation Methods

Good to Know

Common Questions

China Doll questions

What zones can China Doll grow in?

China Doll is hardy in USDA Zone 10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does China Doll bloom?

China Doll typically blooms in spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does China Doll need full sun?

China Doll does best in part shade.

Keep exploring

Hardy in your zone?

Grow China Doll with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.