Most cactus succulents include some acidic substances that are difficult for the human liver to handle. The thick flesh includes alkaloids present in some kinds of this succulent can induce unpleasant symptoms such as nausea, vomiting, diarrhea, and even paralysis.
Although some cactus plants are edible, certain others are poisonous and not safe to consume. Here are 3 types of cactus that are not safe to eat:
Peyote Cactus
Scientifically known as Lophophora williamsii, peyote cactus is a hazardous kind of cactus that should not be consumed. It is a cactus plant without spines that contains the hallucinogenic chemical mescaline.
When ingested, the substance mescaline induces psychotic symptoms. Peyote poisoning frequently causes hallucinations, agitation, nausea, and vomiting. Peyote cactus overdoses can be lethal in rare circumstances.
J.D. Slothower of the Encyclopedia of Toxicology (2014) states that after 34 hours, mescaline “produces an acute psychotic condition…
A dose of about 300–500 mg causes depersonalization, illusions, anxiety and depression symptoms, as well as visual and sporadically olfactory or aural hallucinations.
Its physiological effects include trembling, sweating, and nausea.
San Pedro Cactus
When consumed, the San Pedro Cactus, a native of the Andes Mountains, can have similar psychedelic effects to Peyote Cactus. This is due to the substance’s inclusion of the hazardous hallucinogenic chemical mescaline.
Palpitations, stomachaches, tremors, and hallucinations are typical adverse reactions to San Pedro Cactus use.
Bolivian Torch Cactus
The Bolivian Torch Cactus, also known as Echinopsis lageniformis, is a type of cactus that is poisonous and has psychedelic side effects. It is not edible. When consumed, this plant’s high mescaline content causes visual and auditory hallucinations.
It’s time to appreciate the nutritional benefits of this plant now that you are aware of which cactus species are edible and which precise sections you may consume. Eating cactus fruits, nopales, seeds, and flowers can improve digestion, lower cholesterol, speed up weight reduction, and reduce inflammation, among other health advantages.
All of these health advantages are made possible by the substances and minerals found in cactus. Vitamins, amino acids, and phytonutrients are a few of these.
Are there any cacti that are toxic?
Due of its pointed spines, most people frequently choose to avoid cactus. Most cactus are not venomous, which may surprise you. Nevertheless, you might want to keep your kids and pets away from the following ones!
The most lethal cacti include the prickly pear, San Pedro cactus, Echinopsis Peruviana, Peyote, Barrel cactus, Saguaro cactus, Cholla cactus, and Euphorbia canariensis.
Are all types of cacti edible?
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Contrary to what the majority of people believe, almost all cactus fruits are edible and packed with beneficial minerals. The pads of the plants, for example, are also tasty. This wild fruit is sweet and healthful, just like any other fruit. But if you’ve never tried the fruit, you might be wondering whether it’s actually safe to eat. We’ve got you covered, so don’t worry.
Therefore, is cactus fruit toxic? No. Cactus fruits come in a variety of shapes and sizes, but none of them are poisonous. Eaten cactus fruits are all safe. The sole distinction between the fruits of various cacti species is that some are sourer and more bitter than others. All of them, though, are edible and safe to eat. The Opuntia genus produces a sizable portion of the edible cactus fruits.
Continue reading to learn more about cacti fruits and some of the most popular varieties. So let’s get started straight away.
What determines if a cactus is edible?
Edible cacti and succulents are incredibly low-maintenance plants that taste great if your climate is right for them.
Some people want to know the distinction between succulents and cacti. A cactus is technically a succulent plant since the term refers to “one that has thick, fleshy, water-storing leaves or stems.” The term “cacti” is typically used to refer to succulent plants with spines, but all true cacti actually belong to the plant family Cactaceae.
Let’s discuss the numerous edible cacti and succulents that you can use in your landscaping:
Edible Cacti
All genuine cactus fruit is edible, but certain varieties have greater flavors than others. Some are excellent when cooked, and most must first have their spines peeled or otherwise removed before being consumed! Of course, everyone has varied tastes in stuff. In order to ensure that you enjoy them and are not allergic, it is advised to test a few of the cactus you are contemplating before purchasing.
Which edible cactus you select will depend on its intended purpose and the aesthetic of your edible landscaping. More than 200 Opuntia species, often known as Nopales, Nopalitos, the Cactus Pear, or the Paddle Cactus, contain a variety of delicious cacti.
All Opuntias have edible leaves and egg-shaped fruit (sometimes known as “tunas”). An Opuntia is recognized by its oval, flat, spine-covered leaves, or “paddles.”
Of all the edible cacti, Opuntia ficus-indica, also known as the prickly pear cactus, is the most well-known and popular. Its fruit and leaves, which are also known as the Indian Fig, are a mainstay in many recipes throughout Central America and the southwest of the United States. Australia, northern Africa, and the Galapagos Islands are just a few of the diverse areas this cactus has been introduced.
Opuntias are quite tolerant of the cold, and they can be found as far north as British Columbia. In some areas, they have also spread invasively. They can still be a gorgeous focal point in rock gardens or other drought-tolerant environments, and they have a wide range of functions in landscaping (they make great barrier hedges).
When fully grown, the saguaro (Carnegiea gigantea), the graceful representation of the desert in the southwest of the US, has edible fruit (which can take decades). The Saguaro, however, is hard to come by and cannot be moved without a permit.
Despite being smaller and with “arms” that often develop near the base of the plant rather than higher up the main stem, the Organ Pipe Cactus (Stenocereus thurberi) resembles the Saguaro. It has red Pitahaya Dulce fruit, which is roughly the size of a golf ball, and lavender flowers.
Visit the Organ Pipe Cactus National Monument in Arizona (United States), which is home to many of these beautiful cacti, to observe them in their natural habitat.
Fruit from barrel cacti can be harvested and eaten raw, and because it lacks spines, it is simple to handle. Additionally edible are the buds and blooms. One of the American Wild West myths was that you could cut open a barrel cactus and squeeze the pulp for water to keep you alive in the harsh desert.
The Night-Blooming Cereus (Hylocereus undatus), a cactus with long fleshy leaves and bright red or yellow fruit with a white or crimson core and black, crunchy seeds with great nutritional content, is also known as the Dragon Fruit or Pitaya (and is also known as Pitahaya Dulce in some locations). The plant only blooms at night and has enormous, fragrant white flowers.
Some species, such Peniocereus greggii, are also referred to as “Night-Blooming Cereus.”
Although it appears very different from Hylocereus, the Peruvian Apple Cactus (Cereus repandus), which likewise produces sweet, vividly colored edible fruit, is another cactus that bears the name Pitaya.
The Epiphyllum species, sometimes known as the orchid cactus, are another genus of cacti that are edible. They resemble the Hylocereus species in appearance and behavior but have smaller fruits. All of these have gorgeous flowers!
Edible Succulent Plants
In northern Africa and India, vegetables made from a few of the Caralluma species—Caralluma fimbriata, Caralluma adscendens, and Caralluma edulis—are consumed.
Many Agave species can be rendered edible, but the most famous is Agave tequilana, which is used to make tequila.
All Sedum species, also known as stonecrops, can be eaten. They taste sour or spicy and are used in salads. Consume these in moderation; excessive consumption of some may result in dyspepsia.
Purslane is beneficial as a ground cover in wet locations, is simple to grow, rather attractive, and delicious when cooked.
Although purslane is regarded as a weed in the US, it tastes delicious fried and is ok in salads and works well in stews and soups.
Can you eat all cactus pads?
One of the major genera of cactus is Opuntia. Opuntia produces a variety of foods and is frequently referred to as a “beaver-tailed cactus” because of its enormous pads. The wonderful, gorgeous, luscious fruits work well in jams and jellies. But can you consume cactus pads? The wide, succulent pads can be prepared in a variety of ways to eat raw or cooked. All you need to know is how to collect and prepare cactus pads. Don’t be alarmed by those spines. Cactus pads are savory and nourishing.
Are poisonous prickly pear cacti present?
Over 100 native to North and South America species make up the prickly pear cacti family. They are erect or spreading cacti that can range in size from tiny, low-growing shrubs to tree-like specimens that can grow to a height of 16 feet or more. Some are raised as indoor plants. They have cladodes, which are flat paddle-shaped stem segments that stack one on top of the other. All of them have spines in the areoles, but some also have larger extra spines. The yellow, pink, or orange blossoms are colorful and stunning. The fruits are typically orange, meaty, and spiky but occasionally dry.
The pads easily establish new plants and have become invasive in various regions of the planet. It is highly salt tolerant and resistant to deer damage. Generally speaking, they require lots of sunshine and well-drained soil, particularly a cactus mix. They require lots of light and the cooler winter temperatures in order to bloom. Use in rock gardens, pots, or desert and coastal locations.
A saguaro cactus can you eat it?
The distinctive saguaro cactus of the Sonoran Desert is unmistakable in appearance. These tall cactus only bear red fruit once a year, which normally ripens by late June. The fruit has a slight strawberry flavor and is packed with flesh and seeds. It can be consumed fresh or turned into syrup, jam, or wine. Saguaro fruit can only be harvested with a very long stick because they grow on the main stalk and crowns of the arms.
Can you eat purple cacti?
One of my favorites is the Santa-Rita prickly pear (Opuntia violaceae var. santa rita). Their blue-gray pads stand out so vividly in the environment against the various purple tones.
A stunning accent plant for the landscape, this cactus. Fruit and the pads are both edible (but you might want to remove the spines first ;-). Drought and cold temperatures make the purple color more intense.
The Santa-rita prickly pear is a native of the American Southwest. Although they have a maximum size of 6 feet by 6 feet, they can be pruned to keep a lesser size. Making pruning cuts at the intersection where the pads connect is how pruning is done skillfully.
In the spring, lovely yellow blooms appear, followed by red fruit in the summer. The pads can occasionally be eaten by javelina, rabbits, and pack rats. Pack rats construct their houses out of the pads.
The prickly pear’s pads are coated in glochids, which are small spines that cluster together in pairs. Glochids quickly separate from the pad and cause severe skin irritation. They feature a little sting at the tip, which makes it challenging to get them off your skin. Use a piece of carpet or a couple layers of newspaper to manage them if necessary. Avoid contacting the pads with gloves as this will cause the glochids to attach and render the gloves unusable (I ruined a perfectly good pair this way).
There are other techniques for getting rid of these tiny spines, including using Elmer’s glue (let it dry, then pick them off), but many people have found duct tape to be more effective.
USES: This type of prickly pear can be utilized as a screen as well as an accent plant in the landscape. Some people might be surprised to hear that they make wonderful container plants as well; just keep them away from locations with high foot activity. They thrive on well-drained soil and either direct sunlight or mild shade.
Prickly pears are extremely low-maintenance plants. To pick up the pruned pads, I always use tongs, although you could also use newspaper.
Despite their incredible drought tolerance, watering your prickly pears once a month during the hot summer months in the absence of rain will be appreciated and enhance their appearance. Shriveled pads are a sign of extreme drought stress.
The emergence of white, cotton-like patches on the pads is sometimes interpreted as an indication of a fungal infection. However, it is brought on by a tiny bug known as cochineal scale, which secretes the white cottony mass. The control is simple. That’s all there is to it—just give it a strong hose-jet wash!
Prickly pears can be grown from seeds, but there is a far simpler method. Simply remove a pad with a minimum height of 6 inches. Place the pad upright for at least two weeks in a dry, shaded area. As a result, a callus can develop at the bottom.
For the first month, do not water the plant; the bottom is prone to fungus infections. Plant with the cut end downward. Water the plant every 23 weeks after the first month until it gets established. Provide shade until the plant is established if planted in the summer (about three months). *In general, I advise against planting in the winter and in favor of waiting until the soil has warmed up in the spring.
If you have a sizable prickly pear, you can prune it or start anew by removing it, chopping off some of the pads, and planting them in the same spot. My clients have done this frequently and have been pleased with the outcomes.
Interesting historical fact: The cochineal scale insects release a dark red dye when crushed, which is why the Aztecs would grow prickly pear cactus afflicted with them. Clothes were dyed using this. This dye was brought back to Europe by the Spanish from Mexico, where it was used to color royal clothing and British military outfits. The Spanish regarded the dye highly, second only to gold and silver. One pound of dye requires 70,000 insects to be produced.
*There are several lovely prickly pear species that can be grown in a backyard garden. What is your favorite variety of prickly pear cactus?