Desert Rose
Adenium obesum
Apocynaceae · broadleaf evergreen shrub · introduced
Last updated
Plant Profile
Size & Form
Height
5 ft
Spread
3-5 ft
Growth Rate
Slow
Site Requirements
Light
Full Sun
Soil Drainage
Well drained, tolerates dry, dry
Soil pH
acidic to neutral
Water
Low
Drought Tolerance
Moderate to high
Hardiness
Zones 10–10
Ornamental Interest
Bloom Time
Seasonal bloomer
Origin
tropical Africa, Arabia
Watch for this season
Root Colonization (Spring–Fall)
Gall Development & Sporulation
Powdery MildewHigh
Active Conidial Spread
RustHigh
Uredinial Stage (Summer)
+ 10 more — see full disease and pest lists below
Diseases: Regionally Documented (17)
Root Rot (Phytophthora spp.) Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Ovulinia azaleae Ovulinia Petal Blight Lime-induced Chlorosis Symptom category — not a single disease Leaf Spot Exobasidium vaccinii Leaf and Flower Gall Cylindrocladium scoparium Cylindrocladium Blight and Root Rot Botrytis Petal Blight Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Raspberry bushy dwarf virus and related viruses Virus Chlaropsis thielavioides Black Mold [NOTE: Diplocarpon rosae causes black spot on roses (Rosa... Black Spot Kalmusia coniothorium Brand canker Coniothyrium wernsdorffiae and Paraconiothyrium fuckelii Common canker Multiple obligate oomycetes (Peronosporaceae); species ar... Downy Mildew Tylenchorhynchus claytoni Nematode, Stunt
Pests: Regionally Documented (17)
Tetranychidae Spider mite Otiorhynchus spp. Root weevil Choristoneura rosaceana Obliquebanded Leafroller Caloptilia azaleella Azalea leafminer Stephanitis pyrioides Azalea Lace Bug Acanthococcus azaleae Azalea bark scale Megachile spp. Leafcutting bee Tortricidae Leafroller Schizura concinna Redhumped caterpillar Macrosiphum rosae Rose aphid Diplolepis rosae Rose galls Edwardsiana rosae Rose leafhopper Dasineura rhodophaga Rose midge Endelomyia aethiops Roseslug Thysanoptera Thrips Chloridea virescens Tobacco budworm Diabrotica undecimpunctata Western spotted cucumber beetle
Data Maturity Baseline Extension data. Expert review underway.