Biological Name:

Crotalaria sagittalis (Rattlebox)

Natural Habitat:

Rattlebox is a plant with pods that contain seeds that rattle when shaken. It is a member of the legume family and is often considered a weed.


Rattlebox is a tall annual weed with alternate pinnately-divided leaves and clusters of small yellow or orange flowers. It is commonly found in fields pastures and other areas with disturbed soil.

Frequently Asked Questions (FAQs)

Q: Is rattlebox poisonous to humans?
A: This plant should be consumed only in moderation. Avoid ingesting the seeds, as they are toxic.

Q: What is showy Rattlebox used for?
A: spectabilis plant are used as traditional medicines to treat impetigo, scabies, intestinal worms, and as an antiseptic for wounds (Francis 2002). The name “rattlebox”” refers to the rattling of the seeds in the pods once they dry (Francis 2002).”

Q: Is yellow rattle poisonous to cattle?
A: NB: Yellow Rattle can be poisonous to some livestock. Description: Yellow Rattle has yellow, tube-like flowers protruding from an inflated, green calyx, which appear May to August.

Q: Is crotalaria poisonous to cows?
A: Crotalaria striata D. C. and C. incana L. have been indicated as possibly toxic to cattle, sheep, and goats in certain countries, but have not been observed to be injurious in the United States.

Q: Is an Inchplant toxic?
A: Generally speaking, Tradescantia is very mildly toxic to pets and people. While it does little harm if eaten, the sap within the leaves and stems can cause contact dermatitis on the skin, especially in those with sensitive skin or those with an allergy.

Q: Is rattlebox plant invasive?
A: It was for this purpose that showy rattlebox was introduced to the U.S. in the early 1900s, as a nitrogen-fixing cover crop. Since then, it has gotten out of hand and become labeled as a noxious or invasive weed in the Southeast, Hawaii, and Puerto Rico.

Q: Is Arctic rattlebox poisonous?
A: Rattlebox contains a type of pyrrolizidine alkaloid toxin. The alkaloids are metabolized in the liver which produces cytotoxic effects.

Q: What is the most invasive flower?
A: 10 Barberry.11 What to Do When You Spot an Invasive Species.1 1. Bamboo.2 2. English Ivy.3 3. Callery Pear Trees.4 5. Wisteria Sinensis.5 6. Cogongrass.6 7. Purple Loosestrife.

Q: Is rattlebox native to Florida?
A: Smooth rattlebox (Crotalaria pallida var. obovata) is a non-native landscape weed with high potential invasive status.

Q: Is Florida Tasselflower invasive?
A: Currently, E. fosbergii is listed as invasive in Mexico, Central America, West Indies, and on several islands in the Pacific Ocean (see Distribution Table for details).

Q: Is Mexican clover native to Florida?
A: Tropical Mexican clover (Richardia brasilensis) is a common landscape weed found throughout the Southeastern United States. This weed, although non-native, does not pose an invasive threat in Florida and is commonly used in xeriscaping.

Q: Do bougainvillea’s grow in Florida?
A: There is nothing more spectacular in the fall and winter in Florida as the bougainvilleas as they begin to reach their peak color. Even though bougainvilleas can bloom year round in Florida, winter is their prime time.

Q: Is yellow Elder native to Florida?
A: ORIGIN: Native to Caribbean and possibly Florida’s southernmost tip. CHARACTERISTICS: This fast-growing tropical shrub must be pruned often to become a small tree, reaching 15 feet.

Q: Is Mimosa native to Florida?
A: Powderpuff mimosa, also known as sunshine mimosa, is a native, low-growing Florida groundcover that is increasingly being used in home and commercial settings. Known scientifically as Mimosa strigillosa, it also attracts butterflies and serves as a host plant for butterfly larvae.

Q: Is kudzu native to Florida?
A: Kudzu – or kuzu (クズ) – is native to Japan and southeast China. It was first introduced to the United States during the Philadelphia Centennial Exposition in 1876 where it was touted as a great ornamental plant for its sweet-smelling blooms and sturdy vines.

Q: Is smooth Rattlebox poisonous?
A: Smooth rattlebox was especially popular in West Africa and Southeast Asia for use in large-scale agriculture. The problem with crotalaria is that they contain a group of chemicals called pyrrolizidine alkaloids, which are highly toxic to birds and mammals.

Q: How do I get rid of rattlebox?
A: Rodeo. Aquamaster. Eraser AQ. Touchdown Pro. AquaNeat. Refuge.

Q: Is Arctic rattlebox poisonous to horses?
A: Is Showy Crotalaria (aka “Rattlebox”) poisonous to horses? Showy crotalaria is toxic to horses. All portions of the plant (whether alive or dead and baled in hay) are toxic, with the seeds being the most toxic.

Q: Are Pseudopanax poisonous?
A: Five finger or whauwhaupaku (Pseudopanax arboreus). This very common plant is likely to be poisonous to some degree because it belongs to the ivy family, however no records of poisoning are available. It has blackcurrant sized berries.

Q: Are Beggarticks poisonous?
A: The roots, leaves and flowers are strongly phototoxic, the achenes weakly so[218]. Substances isolated from the leaves can kill human skin in the presence of sunlight at concentrations as low as 10ppm[218]. Damp lowland fields and wasteland, North and Kermadec Islands[44].

Q: Are rattle pods edible?
A: All parts of the plant are toxic, with the seeds containing the highest concentration.

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.