Tropical soda apple is an invasive perennial shrub native to Brazil and Argentina in the Solanaceae or nightshade family. It is found in cultivated pastures, croplands, hammocks and other disturbed areas and has been reported in fields used to hold cattle in NC. It was first found in FL in 1988 and was probably introduced through contaminated seeds or plants or from cattle from Argentina. It rapidly spread through the southeast and mid-south regions of the country. It is not very cold hardy but will resprout if it dies to the ground in winter. The plant will grow to 6 feet tall and wide, forming impenetrable thick stands. The large green leaves are hairy and resemble oak leaves and the hairy branches are loaded with 3/4-inch straight prickles. The shrub has 5-petaled white flowers nearly all year but fruit production is heaviest Sept. to May. The fruits are up to 1&1/2 inch across and are mottled green and white when young, maturing to bright yellow containing many seeds. Each plant can produce up to 200 fruits per year. The shrub threatens agriculture and forest ecosystems and can dominate the understory of forests crowding out native plant species. Cattle will eat the fruits helping to spread the plant. Any siting of the plant in NC should be reported to the N.C. Department of Agriculture and Consumer Services Weed Specialist at 1-800-206-9333. Insects, Diseases, and Other Plant Problems: It is a Federal Noxious Weed and listed as invasive by the NC Invasive Plant Council. See native alternatives to the left. More information on Solanum .
Curated pairwise relationships between this plant and others in the library — who feeds
whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.
No curated interactions recorded for this species yet.
Also noted by NC State
Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell
apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.
Full sun (6 or more hours of direct sunlight a day)
Mature size
Height: 3 ft. 0 in. - 6 ft. 0 in. | Width: 3 ft. 0 in. - 6 ft. 0 in.
Growth rate
Rapid
Maintenance
High
Canopy layer
3 - Shrub (3-15 ft)
Form & Appearance
Habit / form
Dense; Erect; Multi-stemmed
Texture
Coarse
Foliage
Deciduous
Leaf color
Green
Leaf type
Simple
Leaf arrangement
Opposite
Leaf shape
Ovate
Leaf margin
Lobed; Undulate
Leaf feel
Prickly
Leaf size
> 6 inches long, 3-6 inches wide
Hairs present
Yes
Leaf detail
Large flat lobed leaves are broadly ovate, are 4-8 inches long by 2-6 inches wide and densely hairy with prickles along the veins. Edges are wavy. Dark green above and light underneath.
Flower color
White
Flower shape
Cup
Flower detail
5-petaled 1/2 inch white flowers appear in clusters nearly all year long
Bloom time
Fall; Spring; Summer; Winter
Fruit color
Gold/Yellow; Green; White
Fruit size
1-3 inches long
Fruit detail
Round fruits are up to 1.5 inches across. Young fruits are mottle green maturing to bright yellow. Each can contain up to 400 seeds.
Stem color
Brown/Copper; Green
Stem detail
Young stems are green and mature to brown with long prickles
Wildlife & Ecology
Native status
Unknown
Origin
South America
Distribution
AL, AR, AZ, FL, GA, LA, MS, NC, PR, SC, TN and TX
Food & Medicine
Harvest time
Fall; Spring; Summer; Winter
Landscape Use
Garden tags
#problem for dogs #aggressive #Noxious Weed (Federal list) #shrub #problem for children #high maintenance #poisonous fruits #pasture #prickles #weedy
Problems & Resistance
Disease problems
Southern Bacterial Wilt on Herbaceous Ornamental Plants
Problems
Poisonous to Humans; Problem for Children; Problem for Dogs
Poison severity
Low
Poison parts
Fruits
Poison symptoms
Stomach upset, loss of appetite can occur if fruits are eaten in quantity