Rowan berries are generally considered non-poisonous for humans when consumed in small quantities. However, they can cause mild stomach upset or diarrhea if eaten in large amounts. It is important to note that some people may have allergies or sensitivities to certain compounds in rowan berries, so it is best to consume them in moderation. Additionally, rowan berries are toxic to some animals, so it is important to keep them away from pets. **

Yes, some succulents can be poisonous if ingested. Many succulents contain toxic compounds that can cause gastrointestinal upset, skin irritation, or other adverse reactions if consumed by humans or pets. It's important to research the specific succulent species you have to understand any potential toxicity and take appropriate precautions to keep them out of reach of children and pets. If you suspect that someone has ingested a poisonous succulent, seek medical attention immediately. **

Yes, parts of poisonous plants can sometimes be treated to make them non-toxic. This process usually involves specific methods such as drying, cooking, or fermenting the plant parts to break down or remove the toxic compounds. However, it is important to note that not all poisonous plants can be made safe for consumption through treatment, and caution should always be exercised when dealing with potentially toxic plants. Consulting with a knowledgeable expert or botanist is recommended before attempting to treat any poisonous plant for consumption. **

Some large houseplants that are non-toxic for budgerigars include the Areca Palm, Boston Fern, and Parlor Palm. These plants are safe for budgerigars to be around and can add a touch of greenery to their environment. It's important to ensure that the plants are placed in a location where the birds cannot access the soil or chew on the leaves, as some plants may still cause irritation if ingested in large quantities. Always monitor your budgerigars when introducing new plants to their environment. **

Some non-toxic houseplants for rats and budgerigars include spider plants, Boston ferns, and African violets. These plants are safe for pets to be around and are unlikely to cause any harm if ingested. It's important to research specific plants before introducing them to your pets' environment to ensure their safety. **

Yes, there are certain varieties of apples that contain toxic compounds in their seeds, such as cyanide. However, the amount of cyanide in apple seeds is typically very small and would need to be consumed in large quantities to be harmful. As for trees with poisonous apples, there are no known species of trees that naturally produce poisonous apples. **

Peanuts are not inherently poisonous to humans. However, some people may have severe allergic reactions to peanuts, which can be life-threatening. It is important for individuals with peanut allergies to avoid peanuts and products containing peanuts to prevent an allergic reaction. Overall, peanuts are safe for the majority of the population to consume. **

Something is considered poisonous if it contains substances that can cause harm or death when ingested, inhaled, or touched. Poisonous substances can range from chemicals and plants to certain animals and foods. It is important to be cautious and knowledgeable about potential poisons in order to prevent accidental exposure and harm. **