Toxic Woods
- ALDER – red alder – see Alder / Alder Buckthorn
- ANDROMEDA – (Pieris / Lily of the Valley shrub)
- APRICOT
- ARROWHEAD VINE
- AVACADO
- AZALEA – Related to Rhododendron
- BANEBERRY – Actaea
- BEANS – (castor, horse, fava, broad, glory, scarlet runner)
- BRACKEN FERN
- BURDOCK
- CACAO
- CAMEL BUSH – Trichodesma
- CANARY BIRD BUSH – Crotalaria
- CANNABIS
- CASTOR BEAN
- CEDAR – Thuja, Chamaecyparis, Cupressus
- CHERRY
- COMMON SAGE
- CORIANDER – Cilantro
- DATURA
- DAPHNE – it’s the berries
- ELDERBERRY
- FOXGLOVE
- GROUND CHERRY
- HEMLOCK – Tsuga
- HOLLY – Ilex
- HORSE CHESTNUT – Aesculus
- HUCKLEBERRY – leaves bad: – – both evergreen or deciduous
- HYDRANGEA
- JASMINE
- LAUREL – Prunus
- LUPINE
- MANGO -(fruit okay: not wood or leaves)
- NUTMEG
- OAK – Quercus – all parts / tannins
- MISTLETOE
- PEAR – some sources lean toward safe
- PRIVET
- RED MAPLE
- REDWOOD – – – Sequiadendron, Metasequoia, Sequoia
- RHODODENDRON
- RHUBARB
- TOMATO – stems, vines, and leaves
- WITCH HAZEL – Hamamelis
- WISTERIA
- YEW – Taxus
Toxic Plants
- ARUM LILY
- AMARYLLIS
- ARALIA
- ARROWHEAD VINE
- AUTUMN CROCUS
- AUSTRALIAN FLAMETREE
- AUSTRALIAN UMBRELLA TREE
- AVOCADO
- BEANS: (CASTOR, HORSE, FAVA, BROAD, GLORY, SCARLET RUNNER, MESCAL, NAVY, PREGATORY
- BIRD OF PARADISE
- BLACK LAUREL
- BLUEBONNET
- BLUEGREEN ALGAE
- BRACKEN FERN
- BULB FLOWERS:(AMARYLLIS, DAFFODIL, NARCISSUS, HYACINTH & IRIS)
- BURDOCK
- BUTTERCUP
- CARDINAL FLOWER
- CHALICE (TRUMPET VINE)
- CHERRY TREE
- COFFEE (SENNA)
- COFFEE BEAN (RATTLEBUSH, RATTLE BOX & COFFEEWEED)
- CORAL PLANT
- CORIANDER
- DAFFODIL
- DAPHNE
- DEATH CAMUS
- DELPHINIUM
- DEVIL’S IVY
- EGGPLANT leaves
- ELDERBERRY
- ENGLISH IVY
- EUCALYPTUS (DRIED, DYED OR TREATED IN FLORAL ARRANGEMENTS)
- EUONYMUS (SPINDLE TREE)
- EUPHORBIA CACTUS
- FIG (WEEPING)
- FOXGLOVE
- GRASS: (JOHNSON, SORGHUM, SUDAN & BROOM CORN)
- GROUND CHERRY
- HEATHS: (KALMIA, LEUCOTHO, PEIRES, RHODODENDRON, MTN. LAUREL, BLACK LAUREL, ANDROMEDA & AZALEA)
- HEMLOCK: (POISON & WATER)
- HOLLY
- HONEYSUCKLE
- HORSE CHESTNUT
- HYACINTH
- HYDRANGEA
- IRIS
- IVY: (ENGLISH & OTHERS)
- JACK-IN-THE-PULPIT
- JASMINE (JESSAMINE)
- JUNIPER
- COFFEE TREE
- LILY OF THE VALLEY
- LUPINE
- MISTLETOE
- MOCK ORANGE
- MONKSHOOD
- MOONSEED
- MTN. LAUREL
- MUSHROOMS, AMANITA
- NETTLES
- NIGHTSHADES: (DEADLY, BLACK, GARDEN, WOODY, BITTERSWEET, EGGPLANT leaves, TOMATO -stems, vines, and leaves,JERUSALEM CHERRY)
- OAK
- PARSLEY
- POISON IVY
- POTATO SHOOTS
- PRIVET
- PYRACANTHA
- RANUNCULUS, BUTTERCUP
- RAPE
- RATTLEBOX, CROTALARIA
- RED MAPLE
- RHUBARB LEAVES
- RHODODENDRONS
- SORREL (DOCK)
- SWEET PEA
- TANSY RAGWORT
- TOBACCO
- WHITE CEDAR, CHINA BERRY
- WISTERIA
- YELLOW JASMINE