POISON PLANTS TO WATCH OUT FOR!!!
POISON PLANTS

Shrubs
Azalea          
Boxwood        
Holly(Berries)   
Hydrangea     


Flowers
Amaryllis       
Autumn Crocus  
Buttercup
Calla Lilly
Chrysanthemum
Daffodil (bulb)
Easter Lily 
Foxglove
Hyacinth (bulb)
Iris (root)
Jessamine
Morning Glory
Narcissus 
Peony
Periwinkle
Poinsettia
Primrose
Tulip (bulb)


Vines/Ground Cover
English Ivy
Ashmary
Jasmine
Tomato Vine and leaf
Matrimony Vine 


Ornamentals and Houseplants
Asparagus Fern
Caladium
Elephant's Ear
Philodendron
Poinsettia
Spider Mum
Juju leaves


Trees
Apple (leaves and stem)
Fiddle-Leaf Fig (Ficus lyrata)
Oak
English Yew
Logans Willow
Apricot
Almond
Peach
Cherry (leaves and stem)
Plum
Pear


Fruits/Vegetables
Apple Seeds
Apricot Seeds
Avocado Seeds
Cornstalk
Eggplant (all area except fruit)
Onion
Peach Seeds
TOMATO vine and plant
grapes and raisins

Also:
Aloe Vera 
Mistletoe
Mushrooms




This is not a complete list and there are many more that may cause problems. If you're not sure whether a plant is toxic to your dog then assume it is and play it safe. The side effects from these plants listed range from mild  to extreme situations including death. Be safe and be careful!!! Contact your vet if you feel that there is a problem with your Bulldog.
For more complete list of toxic plants click here