HEALTH RISKS AND SAFETY CONCERNS ADDRESSED:

Gillian Willis has put together the most comprehensive list that I know of regarding these things.  Here is the link to the site:

Gillian's Help Desk

Yet here is another list:

Poisonous plants and trees
 

Acokanthera (fruit & flowers)
Aconite (Monkshood, roots, 
flower, leaves)
Amaryllis (bulbs contain
alkaloids)
Angel trumpet tree (flower &
leaves)
Apple seeds (see Cherry Laurel)
Atropa Belladona (all parts)
Azaleas, Rhododendrons (all
parts)
Anemone (wildflower)
Anthurium
Arum Lily
Avocado
Apricot seeds (see Cherry Laurel)
Australian Flame Tree
Autumn Crocus (bulbs)
Balsam Pear
Baneberry (red & white berries,
roots & foliage)
Beach pea
Betel Nut Palm (all parts)
Bird of Paradise
Bishop’s Weed
Bittersweet (berries)
Black Laurel
Black Locust (bark, sprouts, foliage)
Bleeding Heart, dutchmen’s breeches
(foliage, roots) 
Bloodroot
Bluebonnets (all parts)
Bottlebrush (flowers)
Boxwood (all parts)
Bracken Fern
Buckeye Horsechestnuts (sprouts, nuts)
Buckthorn
Bulb flowers (amaryllis, daffodil, 
hyacinth, narcissus, iris)
Burdock
Buttercup (all parts)
Cacao
Caladium (all parts)
Calla Lilly (all parts)
Camel Bush
Cardinal Flower
Carolina Jessamine (flowers, leaves & 
sap)
Casava (roots)
Cherries (twigs, foliage are fatal)
Castor bean (seeds are fatal)
Chalice (trumpet vine)
Cherry Laurel (all parts are dangerous, 
contains hydrocyanic acid)
Cherry seeds
China Berry Tree (berries)
Chokeberry
Christmas Berry (berries)
Christmas Candle
Christmas Rose (all parts)
Clematis, Virginia bower
Climbing Lilly
Columbine (all parts)
Cocklebur
Coffee - senna
Coffee Bean - rattlebush, rattle 
box, coffeeweed
Common Privet (black or blue
wax coated berries &
leaves)
Coriander
Corncockle
Coyotillo
Cowslip
Crocus (bulbs)
Croton (outdoor plants)
Crown of Thorns
Cyclamin
Daffodil (bulbs)
Daphne (berries are fatal)
Datura
Deadly Amanita
Deadly nightshade (all parts)
Death Camas (all parts, roots
deadly)
Delphinium (all parts)
Destroying Angel (all parts)
Devil’s Ivy
Dieffenbachia (all parts,
especially sap)
Dogwood (fruit slightly
poisonous)
Elderberry (leaves, shoots, bark)
Elephant ears - taro (all parts)
English Ivy (berries)
Ergot
Euphorbia (leaves & flowers)
Euonymus - spindle tree
False Hellbore (all parts
especially root)
Felt Plant - maternity plant, air
plant, panda plant
Firethorn
Flame Tree
Fly Agaric (all plants)
Four O’Clock (all parts)
Foxglove (all parts fatal)
Gelsemium (all parts)
Glottidium
Golden chain (seeds, pods may be
fatal)
Ground Cherry
Heaths - kalmia, leucotho, peires, 
rhododendron, mountain laurel, black laurel, andromeda
 


Heliebore (all parts)
Heliotrope
Hemlock (all parts)
Henbane (all parts)
Holly (leaves, berries)
Honeysuckle
Horse Chestnut (all parts)
Horsetail Reed (all parts)
Hyacinth Bulbs (can be fatal)Hydrangea (whole plant)
Impatiens (whole plant)
Iris (underground stems)
Ivy (all parts)
Jack in the Pulpit (root)
Jatropha (seeds & oils)
Jasmine Yellow (all parts)
Jassamine (berries fatal)
Jerusalem cherry (fruits & leaves)
Jimson Weed (all parts)
Juniper
Kentucky Coffee TreeLambkill (leaves)
Larkspur (foliage, roots, seeds)
Latana Camara (green berries fatal)
Laurels (all parts fatal)
Lily of the Valley (all parts)
Lobelia (all parts)
Locoweed (all parts)
Lords and Ladies
Lupine (seeds)
Machineel (all parts)
Malanga
Marijuana (all parts)
Marigold
May Apple (all parts)
Mescal (all parts)
Mexican Breadfruit
Mexican Poppy
Milkweed (all parts)
Mistletoe (berries fatal)
Moccasin Flower (all parts)
Mock Orange (all parts)
Monkshood (foliage, fleshy roots)
Moonseed (berries possibly fatal)
Morning Glories (all parts)
Mountain Laurel (young leaves & 
shoots) 
Mushrooms & Toadstools (wild types)
Narcissus Bulbs (can be fatal)
Natal Cherry (berries)
Nettles
Nicotiana (wild & cultivated - leaves)
Nightshades (all parts)
Oaks (foliage, acorns)
Oleander (foliage)
Peach seeds (see Cherry Laurel)
Pear seeds (see Cherry Laurel)
Peony (all parts)
Periwinkle (whole plant)
Philodendron (leaves & sap)
Pigweed
Pikeweed
Pinks (all parts)
Plum seeds (see Cherry Laurel)
Pokeweed (roots)
Poinciana
Poinsetta (leaves, sap fatal) 
Poison Hemlock (all parts fatal)
Poison Ivy (all parts) 
Poison Oak
Poison Sumac (all parts)
Poppies (all except California)
Potato (sprouts, foliage fatal) 
Privet (leaves, fruits)
Pyracantha
Rain Tree
Ranunculus (all parts)
Rape
Redwood (wood chips toxic to fish,
turtles & other aquatic animals) 
Rhubarb (leaves, leaf blade fatal) 
Rosary Pea (seeds fatal)
Rosemary (certain leaves)
Sandbox Tree 
Sage (certain leaves)
Scotch Broom (seeds)
Senecio (all parts)
Skunk Cabbage (roots) 
Snapdragon (all parts)
Snow on the Mountain
Snowdrop
Sorrel - dock
Squirrel Corn (all parts)
Star of Bethlehem (all parts)
Stranomium (all parts)
Sweet Pea (stems)
Tansy (all parts)
Taro (stems, leaves) 
Thornapple
Tiger Lilly (all parts)
Toadstools
Tobacco Plants (all parts) 
Tomato (foliage, vines)
Tulip bulbs
Trumpet Vine (all parts)
Virginia Creeper
Venus Flytrap (all parts 0
Water Hemlock (all parts fatal)
Wattle
Wild Black Cherry (withered leaves)
Wisteria (seeds, pods)
Yam Bean
Yellow Jasmine (all parts)
Yellow Oleander (all parts)
Yews (foliage, berries) 
 



Safe plants and trees
 

Acacia
African Violet
Aloe Vera
Apple
Arbutus
Ash
Aspen
Autumn Olive
Baby Tears
Bamboo
Bee Balm
Beech 
Begonia
Birch
Bougainvillea
Butterfly bush
Chickweed
Christmas cactus
Citrus
Coleus
Comfrey
Coneflower
Corn Plant
Cottonwood
Crab Apple
Dandelion
Dogwood
Donkey Tail
Dracaena varieties
Elm
Eucalyptus
Ferns (asparagus, bird’s nest,
Boston, maidenhair)
Figs (creeping, rubber, fiddle
leaf, laurel leaf, weeping)
Fir
Forsythia
Gardenia
Grape Ivy
Grape Vine
Guava

Hawthorn
Hen & Chickens
Hibiscus
Honey locust
Huckleberry
Jade Plant
Kalanchoe
LarchLavender
Magnolia
Marigold
Monkey Plant
Mulberry
Nasturtium
Natal Plum
Norfolk Island Pine
Nut (except chestnut and oak)
Palms (areca, date, fan, lady,
parlour, howela, kentia, sago,
phoenix)
Papaya
Pear
Pepperomia
Petunia
Poplar
Prayer Plant
Prune
Purple Passion (velvet nettle)
Quince
Ribbonwood
Sassafras
Sensitive Plant
Sequoia (Redwood)
Spider Plant
Spruce
Swedish Ivy
Thistle
Wandering Jew
Wax Plant
White Clover
Willow
Zebra Plant