Gardening is a relaxing pastime enjoyed by many people, and many people allow pets in their garden. The garden shops and catalogs are full of gorgeous garden shrubs and flowers. They tell us how to water and how much sunshine is needed, but rarely do they tell us if the plant is safe in case your pet chews it up.

Your dog or cat is probably having visions of digging through or chewing up the plants. We’ll leave the fencing and reprimanding up to you, but just to be on the safe side, how about planting only non-toxic plants? If unplanned periodic demolition of the garden by the family dog (or even the cat) is a fact of life, it is good to know the plants she is chewing up are non-toxic. It may not help the garden any, but knowing your pet isn’t going to get sick because of it is one less thing to worry about. It’s good to know what is considered safe should the family pet get frisky and start chewing and digging in the flower beds.

How Dangerous is a Toxic Plant?

In the past we listed plants as either safe or toxic. This seems straight-forward but it turns out that there is more to it, so to be more specific:
 

Poisonous Plants
Can potentially kill your pet or cause serious damage to their body if your pet eats or chews them.

AzaleaEaster LilySago Palm
Castor BeanFoxgloveStar Gazer Lily
CyclamenOleanderTiger Lily
Daffodil

Toxic Plants
Will not actually be dangerous to your pet but will give your pet a very unpleasant upset stomach or oral chemical irritation if eaten or chewed. The resulting discomfort may require medical treatment in order to feel better.

AloeCosmosKalanchoe
BegoniaDumb CaneMother-in-law’s Tongue
Bird of ParadiseElephant EarPansy
BougainvilleaFleabanePeace Lily
Calla LilyGardeniaPinks (Dianthus)
CarnationGeraniumPlumbago
ChrysanthemumHibiscusPoinsettia
ColeusHydrangeaPrimrose
CosmosIris


Safe Plants
Can be chewed up or eaten with no ill effects of any kind.

AlyssumEchevaria SucculentsPolkadot Plant (aka Baby Tears)
Blue DaisyGerber DaisyRose
Boston FernGloxiniaSnap Dragon
Bottlebrush treeImpatiensSpider Plant
CamelliaMarigoldStar Jasmine
CannaNasturtiumSunflower
Celosia PlumosaPampas GrassSword Fern
Christmas CactusPersian VioletViola
CoreopsisPetuniaZinnia

Catnip

Response to catnip is inherited genetically as a dominant trait, which means that not all cats will be affected. Furthermore, kittens under age six to eight weeks are not able to respond.Catnip was brought to America by early colonists and was considered to be a commercial crop. Numerous medicinal properties have been ascribed to catnip and it has been used in teas, soaks, and poultices. Today its uses are largely confined to feline entertainment, as its active ingredient, cis-trans-nepetalactone, is a mild hallucinogen. Rubbing, rolling, and other merry-making actions are produced, though one should be careful as aggressive behavior is often made worse by catnip indulgence.

Catnip is felt to be a safe and non-addictive recreational drug for cats but there is some thinking that overdose can produce seizures. For this reason, it is best not used in cats with a history of seizures. Chronic exposure to catnip may cause an apparent loss of mental faculty and possibly personality change. Also, it is not a good idea to put catnip in a carrier or box for transportation because by the time the cat arrives, some unpleasant mental changes may be in progress making the cat more aggressive and more stressed than she would be had no hallucinogens been involved.

Catnip can be a fun garden plant if the climate is right but can quickly turn into a weed problem if one is not careful. Catnip should be considered an occasional treat for cats able to respond to it. 

The ASPCA Animal Poison Control Center

The ASPCA offers a large database of toxic and non-toxic plants, with photos, to dogs, cats, and horses. You can see a list that affects only one of those three species, or view all of them. This list contains plants that have been reported as having systemic effects on animals and/or intense effects on the gastrointestinal tract. Please note that the information contained in the ASPCA plant lists is not meant to be all-inclusive, but rather a compilation of the most frequently encountered plants. If you think that your animal is ill or may have ingested a poisonous substance, contact your local veterinarian or their 24-hour emergency poison hotline.

ASPCA Animal Poison Control Center

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