Red Soda Apple

Biological Name:

Solanum ptychanthum (Red-Soda-Apple)

Natural Habitat:

Red-Soda-Apple: This plant is a type of shrub or small tree that is native to tropical and subtropical regions of the Americas, and it typically grows in open, sunny areas such as pastures, fields, and roadsides. It can also be found in forests and along the edges of streams and rivers.


Red-Soda-Apple is a small green weed that is native to tropical regions of the Americas. It has small white flowers and grows in dense clusters. The weed is often found in gardens and lawns but it can also grow in fields and other open areas. It is often considered a nuisance weed because it can be difficult to control and can spread quickly.

Frequently Asked Questions (FAQs)

Q: Are soda apples edible?
A: What is it? Tropical soda apple is a thorny perennial shrub. It grows from 3-6 ft tall and produces golf-ball size fruits resembling tiny watermelons Caution – its fruit are poisonous to humans.

Q: Is tropical soda apple toxic?
A: The plant is a host for many diseases and pests of cultivated crops, and it contains solasodine which is poisonous to humans. Tropical soda apple is spread when cattle eat the fruit or the fruit float and move in water.

Q: What is the sweetest apple to eat raw?
A: If you think about the apples that you can find frequently at a grocery store, the top sweet apple is Fuji. The sugar levels in a Fuji apple range from 15-18 on average (remember, an apple is mostly made up of water).

Q: Why is tropical soda apple a problem?
A: It can be invasive and also host various plant viruses. Tropical soda apple is a major pest in Florida, where it has invaded at least 500,000ha of land and costs landholders millions of dollars each year in control costs and lost production.

Q: Where is the tropical soda apple found?
A: Plant: Tropical soda apple (Solanum Viarum) is a Federally listed noxious weed native to Argentina and Brazil. Identification: Upright to leaning, multi-branched, perennial shrub can grow 3 to 6 ft tall. It is covered with velvety hair and broad-based white to yellow thorns.

Q: Is tropical soda apple invasive?
A: Tropical soda apple (Solanum viarum), also referred to as TSA, is a non-native, invasive weed that forms very dense infestations, especially in pastures. Forage productivity can be greatly reduced as a result. It is also a host of several diseases and pests of commercial crops.

Q: Is ice apple found in USA?
A: Ice Apple comes from the Borassus Palm which is native to the Indian subcontinent (especially in South India) and Southeast Asia. The tree can grow up to 100 feet high which makes it extremely difficult to harvest. This super rare fruit is hardly ever seen in the United States.

Q: What is the rarest apple in the US?
A: Few people have ever gotten to the chance to even taste the Black Diamond apple. These apples are extremely rare and only grown in remote places in the world.

Q: What is the only apple that is native to North America?
A: The crabapple is the only apple native to North America. Apples come in all shades of reds, greens, and yellows. Two pounds of apples make one 9-inch pie. Apple blossom is the state flower of Michigan.

Q: What is being done about the tropical soda apple?
A: Control of Tropical Soda Apple Herbicides such as Triclopyrester and aminopyralid at 0.5% and 0.1% respectfully may be applied to young apple soda weeds on a monthly basis. More mature or dense infestations may be controlled with the use of herbicides containing aminopyralid.

Q: What is tropical apple?
A: Tropic Sweet apple is a delicious crunchy apple that is very sweet. It has green skin that is streaked with bright orange/red. The flavour is similar to the “Gala” and “Jonathan” apple. Like the Golden Dorsett, it needs another apple tree planted nearby to get fruit (Anna or Golden Dorsett are fine).

Q: How do you use Milestone herbicide?
A: Mix the amount of Milestone (fl oz or milliliters) corresponding to the desired broadcast rate in 0.5 to 2.5 gallons of water, depending upon the spray volume required to treat 1000 sq ft. A delivery volume of 0.5 to 2.5 gallons per 1000 sq ft is equivalent to 22 to 109 gallons per acre.

Q: What eats tropical soda apple?
A: Foliage of tropical soda apple is unpalatable to livestock but cattle and wildlife (deer, raccoons, feral hogs, birds) ingest the fruits and spread the seeds in their droppings (Mullahey et al., 1993; Akanda et al., 1996; Brown et al., 1996).

Q: What kills soda apple?
A: What herbicides can I use to spray tropical soda apple? The best herbicide options for TSA in pastures are picloram + fluroxypyr, picloram + 2,4-D, aminopyralid + 2,4-D, or hexazinone. In forests, the best options are aminopyralid, triclopyr, and glyphosate.

Q: How do you get rid of apple soda?
A: Chemical treatments can be effective for tropical soda apple control. Triclopyr (Remedy®) is very effective for control of emerged tropical soda apple when applied at 1 quart per acre or 1 to 1.5 percent solution with 1/4 percent nonionic surfactant.

Q: Are apples invasive?
A: Believe it or not, apple trees can be one of the more stubborn invasive species on farms. A few years back, I described the surprising but not especially uncommon way wild apple trees can take root in abandoned fields and eventually grow to large sizes.

About the author

Samuel is a gardening professional and enthusiast who has spent over 20 years advising homeowners and farm owners on weed identification, prevention and removal. He has an undergraduate degree in plant and soil science from Michigan State University.