Desert Rose 'Tropic Sun'

Adenium obesum

Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Adenium (a-DEE-nee-um) (Info)
Species: obesum (oh-BEE-sum) (Info)
Cultivar: Tropic Sun


Cactus and Succulents

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us


36-48 in. (90-120 cm)


15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)


USDA Zone 9a: to -6.6 C (20 F)

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


All parts of plant are poisonous if ingested

Bloom Color:


White/Near White

Bloom Time:

Blooms repeatedly


Unknown - Tell us

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

From woody stem cuttings

From softwood cuttings

From seed; sow indoors before last frost

From seed; germinate in vitro in gelatin, agar or other medium

By grafting

Seed Collecting:

Bag seedheads to capture ripening seed

Seed does not store well; sow as soon as possible


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

Athens, Alabama

Cape Coral, Florida

Crestview, Florida

Daytona Beach, Florida

Destin, Florida

Dunnellon, Florida

Fort Lauderdale, Florida

Key West, Florida

Merritt Island, Florida

Orlando, Florida

Pompano Beach, Florida

Port Charlotte, Florida

West Palm Beach, Florida

Hinesville, Georgia

Kenner, Louisiana

Brownsville, Texas

Collinsville, Texas

Houston, Texas

Laredo, Texas

Tomball, Texas

show all

Gardeners' Notes:


On Apr 8, 2009, nazer from Central, SC wrote:

I just recieved this plant today for a birthday gift never heard of it before was just trying to fig out how to take care of it. It came from our local walmart store. Mine has ligth pink around the out side of the flower. It is diffrent from any plant I have ever had.


On Sep 22, 2008, liz7 from Athens, AL wrote:

I also love the desert rose. I lived in FL. for 18 years
> and had 2 for most of that time. They bloomed continually
> unless we had a frost. I moved to Huntsville. AL
> around 2 years ago and was surprised to find them here. I
> bought 1 to see how it would grow and the first year it was
> beautiful. I have to bring them inside for the winter
> months since I live in Zone 7. The last 2 years I haven't
> received as many flowers but I have received seed pods.
> This year there are 13. My 2 Florida plants have
> never produced seed pods. My question is should I get
> another desert rose for the beauty of the flowers & what do
> I do with all of these seeds? Thank you,
> Liz Rowe


On Mar 5, 2008, BayAreaTropics from Hayward, CA wrote:

This might be what i have-and it's very easy(unlike seedling plants) and about to bloom on the window sill. There isnt an Adenium in the world that is 9b..20f?..30F will melt them. 40f and cold rain will do them in!.they aren't even happy at 50F-lol.


On Mar 5, 2008, Polyacre from Rapid City, SD (Zone 4b) wrote:

Had this plant for 2 years now. Received it from my mom who lives in Florida. It has never really looked very good, never bloomed. Was about to pitch it. But then after compleating our GH I put it out there. I is blooming now and I am so glad that I never "pitched" it.