Photo by Melody

PlantFiles: Desert Rose
Adenium obesum 'Tropic Sun'

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

9 members have or want this plant for trade.

Cactus and Succulents

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:
Drought-tolerant; suitable for xeriscaping

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

Click thumbnail
to view:

By BuriedTreasures
Thumbnail #1 of Adenium obesum by BuriedTreasures

By Polyacre
Thumbnail #2 of Adenium obesum by Polyacre

By charlie72
Thumbnail #3 of Adenium obesum by charlie72

By Jimsned2
Thumbnail #4 of Adenium obesum by Jimsned2


3 positives
1 neutral
No negatives

Gardeners' Notes:

Neutral nazer 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.

Positive liz7 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

Positive BayAreaTropics 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.

Positive Polyacre 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.


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

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