Photo by Melody

PlantFiles: Tropical Hydrangea, Pink-Ball
Dombeya x cayeuxii

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Dombeya (DOM-bee-yuh) (Info)
Species: x cayeuxii

Synonym:Dombeya wallichii x burgessiae

One member has or wants this plant for trade.

Tropicals and Tender Perennials

15-20 ft. (4.7-6 m)

36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Fall
Late Fall/Early Winter
Mid Winter

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings
From semi-hardwood cuttings
From hardwood cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
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By Monocromatico
Thumbnail #1 of Dombeya x cayeuxii by Monocromatico

By Monocromatico
Thumbnail #2 of Dombeya x cayeuxii by Monocromatico

By palmbob
Thumbnail #3 of Dombeya x cayeuxii by palmbob

By palmbob
Thumbnail #4 of Dombeya x cayeuxii by palmbob

By butterflybyrob
Thumbnail #5 of Dombeya x cayeuxii by butterflybyrob

By mgarr
Thumbnail #6 of Dombeya x cayeuxii by mgarr

By Metrosideros
Thumbnail #7 of Dombeya x cayeuxii by Metrosideros

There are a total of 10 photos.
Click here to view them all!


2 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive Longan On Jul 27, 2013, Longan from Williamsburg, FL wrote:

Dies back in colder winters, but comes back. It puts on a fabulous winter show. It attracts more bees than most plants. You must be very careful when smelling the delicious flowers. Roots easily from stem cuttings.

Positive DanKistner On Mar 10, 2011, DanKistner from Winter Haven, FL (Zone 9b) wrote:

I found one of these (very large 25-30 ft) growing in winter haven, fl. I saw the flowers and the large leaves and had no clue what it was. I smelled the flowers and they had a wonderful buttery desert kind of aroma. I took several cuttings so we will see how well they take.

Neutral Metrosideros On Jan 13, 2011, Metrosideros from Keaau, HI wrote:

This plant is often mistaken for Dombeya wallichii.

An easy to see difference is that Dombeya wallichii has heart shaped leaves (which turn bronze after a frost) and solid pink flowers.
Dombeya x cayeuxii has three-lobed leaves and pink flowers that are white at the base.

Neutral Monocromatico On Oct 26, 2003, Monocromatico from Rio de Janeiro
Brazil (Zone 11) wrote:

The pink flowers are nice, but after a while they dry, and exhalate an acrid smell that atracts flies.


This plant has been said to grow in the following regions:

Orlando, Florida
Hawaiian Paradise Park, Hawaii
Hilo, Hawaii

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