Here's an article I found...the only thing I can think of to add is brocolli (in large amounts).
NO...Don’t Eat That!
Dogs have a tendency to eat things that they are not supposed to and that can be potentially harmful to them. The following list of foods may be toxic or cause digestive problems. Be careful to dog-proof your home to help insure your pet can’t get in to anything they aren’t supposed to!
- Chocolate can cause death or serious health problems
- Liver if fed more than 3 servings a week can lead to Vitamin A toxicity
- Onions can cause damge to red blood cells, which can lead to serious illness or death
- Grapes and raisins can be toxic to dogs if ingested in large quantities.
- Cooked pork contains fat globules that are larger than most other meats. This fat can clog small blod vessels and lead to serious illness or death.
- Raw eggs often harbor dangerous bacteria, and the whites deplete essential nutrients required for good health.
- Tuna contains oils that can cause inflammation of the fatty tissues leading to long term impairment of health.
- Raw fish contains an enzyme that can deprive your dog of essential nutrients required for good health.
- Spicy or greasy foods may cause indigestion.
- Avocado can make your pet sick and should be avoided.
- Coffee is also another no-no for dogs and should be kept out of reach.
- Macadamia Nuts can cause serious health problems for dogs.
There are also several plants that can cause health problems for dogs ranging from mild to severe.
Extremely Toxic (these plants can cause death or permanent harm, even when consumed in small amounts): - Castor Bean - Cherry - Easter Lily - Jimsonweed - Mushrooms growing wild - Oleander - Poison hemlock and water hemlock - Rosary Pea - Yew
Moderately Toxic (these plants can cause severe sickness, or if large quantities are consumed, even death): - Aroid family of plants - Azalea and rhododendron - Bittersweet - Black Locust - Bulbs (including Lily of the Valley) - Hellebore - Buckeye or Horse Chestnut - Horse Nettle - Larkspur - Lupine - Milkweed - Nightshade - Rhubarb - Spurges - Tobacco
A few other common products that can be harmful and even potentially fatal to dogs are: Blue Green Algae in ponds, Cocoa Mulch, Fly bait, Slug or snail bait, Many types of over the counter medicines, Ibuprofen is very bad for dogs, Antifreeze, and liquid potpourris.