Your garden should be a place of tranquility and beauty. However, many Americans unknowingly grow plants that can seriously harm their loved ones, pets, or wildlife visitors. The good news is, with the right knowledge, you can protect yourself and others.
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Check PriceWhen you know which plants are dangerous, how to spot their hazardous parts, and what safety measures work, you can design a beautiful garden that is also truly safe for everyone who uses it.
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The Chemistry of Toxins in Plants
Plants do not create poisons to attack people. They make these chemicals as a defense against plant eaters, insects, and other plants. Many toxins have more than one purpose. An example is the foxglove, which has deadly cardiac glycosides that control the plant's growth and is dangerous to mammals.
Some plants are dangerous to touch all over while others have certain parts that are safe. The more info you have, the better safety choices you’ll be able to make. Instead of avoiding attractive plants with the potential to be harmful, understanding how they work can be beneficial.
Dangerous Garden Plants You Need to Know
Foxglove (Digitalis)
When appropriately processed, these beautiful tall spires can be used to produce medicines for the heart, but the entire plant is infused with the lethal poison, digitoxin. Merely two of the plant's leaves can prove fatal to an adult. Symptoms can manifest within a few hours and include irregular heartbeat, nausea, and visual disturbances.
Oleander
An Oleander is a flower that shows beauty and hardiness and grows well in warm climates. They are such a toxic flower that even burning the wood will produce smoke that is extremely poisonous. Though all parts of the plant are dangerous, the milky sap is even more concentrated than the rest of the plant. Poisoning can even occur from using branches as barbecue skewers.
Poison Ivy and Poison Oak
The oil urushiol causes severe allergic reactions in 85% of the population. Spores of the allergen can remain active on clothing, equipment, and even on the fur of pets for years. Identifying the plant in winter is important due to the fact that dormant vines can be just as hazardous. Following the 'three leaves, let it be' rule has protected many people from painful rashes.
Castor Bean Plant
Castor plants can be grown as ornaments, but it's important to note that they produce seeds that contain ricin, which is one of the most deadly toxins known to man. An adult can be killed by only 2-8 seeds, and there is no known antidote. The seeds of the castor bean are very colorful and often attract children.
Yew Shrubs
Evergreens like yew have a secret that can be deadly. The only part of the yew that is safe are its red berries. The yew's needles and bark contain toxins that can affect the heart. If you eat some you may feel dizzy and have trouble breathing and may even have heart failure in a matter of hours.
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Azalea and Rhododendron
Grayanotoxins, poisonous to the nervous system, are found in every part of the plant. Honey made from these flowers (often referred to as 'mad honey') can also cause poisoning! Drooling, weakness, and lack of coordination are some of the symptoms. Pets are at particular risk because they may nibble on leaves that have fallen to the ground.
Daffodil Bulbs
Daffodil bulbs can be deadly and are frequently confused with onions, but the flowers themselves are fairly safe. Since people are most likely to be gardening in the spring and fall, the highest concentrations of toxins are found during these times. Be sure to wear gloves when planting bulbs.
Lily of the Valley
This lovely springtime blossom has more than 30 kinds of cardiac glycosides distributed across the entire plant. The fruits that develop following the flowers are particularly enticing to kids. Even the water in a vase may become harmful enough to pets that ingest it.
Angel's Trumpet (Brugmansia)
The trumpet flowers contain a class of chemicals called tropane alkaloids that lead to hallucinations, delirium, and potentially fatal poisonings. While all parts of the tree are dangerous, the highest concentrations of the chemicals are in the leaves and seeds. The symptoms of exposure can also last for several days.
Nightshade
Although black nightshade berries can look attractive and enticing, they are very dangerous because they contain solanine glycoalkaloids, which are poisonous. The immature green berries are particularly toxic. The sweet taste of the berries may put children at greater risk due to them being more susceptible to poison. Even though the berries have a sickly sweet taste, the poison will soon turn the sweet taste to bitter.
Giant Hogweed
This invasive species can cause extreme burns that can last years. They sap of the plant contains a chemical called furocoumarins. This chemical reacts with sunlight to inflict third-degree burns. It can cause reactions even if you brush up against it while wearing clothes. The scars that are caused by this plant can remain sensitive to sunlight for years.
Jimsonweed (Datura)
Known as devil's trumpet, this weed shows large, spiky seed pods and white flowers. All parts are poisonous, especially the seeds. Poisoning results in agitation and high fevers that can lead to fatal heart issues.
How to Establish Safety Zones for Your Smart Garden
Keep poisonous plants from areas where kids and animals are likely to be. Use things like small fences to keep them away from the most dangerous plants. Think about what looks good. Replace the most dangerous plants with ones that will look good but are safer.
Install permanent plant labels with both the common and scientific names for the emergency responders to quickly assess potential toxins. Store plant maps or photos where they are easily accessible.
Response to Emergencies That Are Effective
Only induce vomiting if instructed to do so by poison control – some plant toxins are worse to vomit than to swallow. For more information, contact Poison Control at 1-800-222-1222 and tell them the name of the plant and how the exposure occurred.
Take pictures of all parts of the plant. Snap some close-ups of the leaves, flowers, and berries. Photos will help the toxicologist offer better suggestions. Only keep activated charcoal if your doctor suggests it, as it does not work for all plant toxins.
How to Educate Kids About Garden Safety While Being Gentle
Teach adults and children alike the no taste rule for gardens. Reinforce the rule that it is never okay to eat from ornamental gardens without permission. Make it as automatic as checking for cars when crossing the road.
Develop positive identification activities for family members to teach them how to identify the safe and dangerous plants in your garden. Providing knowledge instills confidence (rather than apprehension) allowing everyone to enjoy outdoor areas more safely.
Your garden can be beautiful and safe. It's important to know what plants can be risky and how to manage them properly. The use of plants that record the surface of the skin or cause allergic reactions can still be mitigated. The idea is to build awareness to protect family members while also creating a beautiful garden.