Non-Toxic
The following materials are not safe if toxic chemicals or insecticides have been sprayed on them. Before installing them in any cage, scrub all branches with a non-toxic disinfectant, then rinse and dry well (preferably in the sun.)
- Acacia
- Apple (Pesticide residue likely)
- Ailanthus – Tree of Heaven
- Almond
- Aralia/Fatsia japonica
- Ash – Fraxinus
- Aspen – Populus
- Bamboo
- Barberry
- Birch
- Beech
- Bois D’Arc – Horse Apple Tree
- Bottle Brush
- Butterfly Bush
- Camellia
- Citrus (lime, kumquat, grapefruit, orange, lemon)
- Cork (not wood from cork oak, but cork)
- Corn Plants
- Cottonwood – Populus
- Crabapple – Malus
- Crape Myrtle (not the same as myrtle)
- Date
- Dogwood – Comus
- Douglas Fir – Pseudotsuga
- Dracaena
- Elm – Ulmus
- Escallonia
- Eucalyptus
- Fig
- Fir – genus Abies
- Ginkgo
- Grape Vines
- Grape Palm
- Guava
- Hackberry
- Hawthorn – Crataegus
- Hibiscus
- Hickory
- Ironwood – apparently toxic leaves
- Jade Plant
- Kalanchoe
- Kumquat
- Larch – Larix
- Lilac – Syringa
- Madrona/Madrone – Arbutus
- Magnolia
- Maple – Acer
- Manzanita – Arctostaphylos
- Mesquite – remove sharp parts
- Mimosa
- Mock Orange – Phladelhus
- Mountain Ash – Sorbus
- Mulberry – Morus
- Nandina (Heavenly Bamboo)
- Nectarine
- Norfolk Island Pine – Araucaria
- Nut Trees – excluding chestnut and oak
- Orange – several sources lean toward safe
- Oregon Grape – Mahonia
- Palm
- Papaya
- Peach
- Pecan
- Pine – Pinus
- Photinia
- Plum
- Poplar – Populus
- Pussy Willow – Salix
- Raphiolepsis – Indian Hawthorn
- Ribbonwood
- Rose – Rosa
- Rubber Plant – Ficus elastica
- Russian Olive
- Sassafras
- Silk Tree
- Spiraea
- Spruce – Picea
- Staghorn Sumac – Rhus not Toxicodendron
- Strawberry Tree – Arbutus like Madrone
- Sweet Gum – Liquidambar
- Sycamore
- Thurlow
- Tree Fern
- Viburnum
- Vine Maple – Acer
- Weeping Willow – Salix (Goat, Pussy, & Weeping)
- White Alder
- Wiewgela
- Yucca
Toxic
- Andromeda
- Apricot
- Arrowhead Vine
- Australian Flame Tree
- Australian Umbrella Tree
- Avacado
- Azalea – related to Rhododendron
- Baneberry – Actaea
- Beans (Castor, horse, fava, broad, glory, scarlet runner)
- Black Locust – Robinia
- Box Elder
- Boxwood – Buxus
- Buckthorn
- Bracket Fern
- Burdock
- Cacao
- Camel Bush – Trichodesma
- Canary Bird Bush – Crotalaria
- Cannabis
- Castor Bean
- Cedar – Thuja, Chamaecyparis, Cupressus
- Chalice – trumpet vine
- Cherry
- China Berry Tree
- Chinese Magnolia
- Chinese Popcorn (Tallow)
- Chinese Snake Tree – Laquer Plant (sap contact is bad as well)
- Common Sage
- Coriander – Cilantro
- Datura
- Daphne (Berries)
- Datura Stramonium – Brugmansia – Angel’s Trumpet
- Dieffenbachia
- Elderberry
- Euonymus – includes burning bush and more
- Euphorbia
- Felt Plant – Kalancho Baharenis
- Flame Tree
- Firethorn – Pyracantha
- Foxglove
- Golden Chain Tree – Laburnum
- Ground Cherry
- Crown of Thorns
- Heaths
- Hemlock
- Holly
- Honey Locust
- Honey Chestnut
- Huckleberry
- Hydrangea
- Jasmine
- Juniper
- Kalmia
- Kentucky Coffee Tree
- Lantana – red sage
- Laurel – Prunus
- Leucothoe
- Lupine
- Mango – Fruit Okay, not wood or leaves
- Mexican Breadfruit
- Mock Orange
- Monstera
- Mountain Laurel
- Myrtle
- Nutmeg
- Oak
- Mistletoe
- Oleander
- Orange
- Pear
- Pencil Tree
- Pitch Tree
- Prairie Oak
- Privet
- Rain Tree
- Red Alder
- Red Maple
- Red Sage
- Redwood
- Rhododendron
- Rhubarb
- Sandbox Tree
- Solanum – Jerusalem cherry or pepino
- Sophora – includes Japanese pagoda tree & Mescal
- Sumac
- Tobacco
- Tansy
- Tomato – stems, vines, and leaves
- Umbrella Tree
- Weeping Fig – Benjamin Fig or Ficus Benjamina
- White Cedar – China
- Witch Hazel – Hamamelis
- Wisteria
- Yew – Taxus