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white cedar

Tabebuia heterophylla · Bignoniaceae

white cedar (Tabebuia heterophylla)
Photo: (c) stinger, some rights reserved (CC BY) · CC BY · via iNaturalist

white cedar (Tabebuia heterophylla) is a perennial tree in the Bignoniaceae family. It is native to North America. USDA records it as hardy in zone 10 and warmer, down to about 32°F.

At a glance

Typetree Derived
Lifecycleperennial USDA
Native statusnative USDA
Mature height60 ft USDA
Lightfull-sun USDA
Water needhigh USDA
Growth raterapid USDA
Soil pH4.5–8 USDA
BloomMarch–May USDA
Flower colorWhite USDA
Hardiness zones10 and warmer USDA
Guild layercanopy Derived
Nursery availabilityNo Known Source USDA

USDA quoted from the USDA PLANTS database · Derived computed by a fixed rule from those columns. No value on this page is estimated.

Growing conditions

It needs full sun. USDA rates it as having needs consistently moist ground. Its drought tolerance is rated low. It is recorded on soils from pH 4.5 to 8 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 10.

Size and growth

At maturity it reaches about 60 ft, making it a large tree that will dominate its site. It grows quickly.

Bloom period

USDA records a bloom period of March through May. Flowers are white.

A flowering date, not a pollinator rating.

Foliage, flower and season

Summer foliage is green, medium in texture. Its flowers are conspicuous. Its fruit or seed heads are conspicuous, extending interest past flowering. Its active growth period is spring, summer, fall. USDA rates its lifespan as moderate.

What the site needs to provide

USDA records it across sites receiving 33 to 130 inches of annual precipitation. It needs at least 365 frost-free days to finish its season. It roots to at least 30 inches. Fertility requirement: low — no feeding needed on ordinary garden soil.

Propagating it

Propagate it from seed, bare root and container stock. USDA records no cold-stratification requirement, so seed should germinate without a chilling period. Its seed spreads at a moderate rate. It does not spread vegetatively, so it will stay where you put it.

Resilience and wildlife

Its fire tolerance is rated none. Its growth form is recorded as single stem.

Role in a guild

Canopy. In a layered planting this is the tallest layer of a planting — it sets the light budget everything beneath it lives on. The layer is derived by a fixed rule from growth habit and mature height.

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Tags

deciduousclay-tolerantsandy-soilnativefull-sunfast-growingcanopy

Related plants

Similar role and hardiness

Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol TAHE, or is computed from those values by a fixed rule. Nothing here is estimated or model-generated. Where USDA publishes no value, this page omits the claim rather than filling the gap.

Read our full data sources and methodology.

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