Giant Pinwheel Flower

Tabernaemontanapachysiphon

Family
Apocynaceae (a-pos-ih-NAY-see-ee)
Genus
Tabernaemontana (tab-er-nay-MON-tah-nuh)
Synonym
Conopharyngia pachysiphon
Tabernaemontana holstii
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Evergreen
Height
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Hardiness
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)
Bloom Color
White/Near White
Bloom Time
Blooms all year
Other Details
Category
Shrubs
Trees
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Vista, California

Brandon, Florida

Naples, Florida

KAILUA KONA, Hawaii

Rockville, Maryland

Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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G
Rockville, MD (Zone 7a) | September 2010 | positive

I'm growing this plant in a container on a glass-enclosed porch. I've owned it for about 4 months, now, and it's bloomed (multiple flower...Read More

A
Memphis, TN (Zone 8a) | December 2008 | positive

Most of the plants identified as T. pachysiphon (syn. T. holstii) offered by the tropical nursery trade are in fact T. africana. Both pla...Read More

W
W
Vista, CA (Zone 10a) | September 2007 | positive

This grows to be a good sized evergreen shrub. Large, dark green leaves with new growth having the glossy look found in Gardenias. The pl...Read More

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