Safe woods:
Toxic Woods
- apple
- madrona/arbutus
- ash
- aspen
- bamboo
- blackberrry
- blackcurrant
- cholla
- cottonwood
- crabapple
- dogwood
- elm
- grapevine
- hawthorn
- hazelnut
- kiwi
- magnolia
- manzanita
- mulberry
- pear
- pecan
- pine - kiln-dried white
- poplar
- quince
- rose hip
- sycamore
- willow (but not white willow)
Toxic Woods
- almond
- apricot
- beech
- birch
- black locust
- black lotus
- blackwood
- box elder
- buckthorn
- cashew
- cedar
- cherry
- chesnut
- china berry Chinese snake tree chokeberry
- citrus woods - orange, lemon, grapefruit, etc.
- cypress
- ebony
- elderberry
- eucalyptus
- fir
- ginkgo
- hemlock
- holly
- honey locust
- hydrangea
- juniper
- kumquat
- laurel
- mahogany
- mango
- manufactured/glued woods like plywood or fiberboard
- maple
- mesquite
- myrtle
- nectarine
- oak
- oleander
- peach
- pine - fresh, pressure treated, red -- kiln dried is thought to be safe
- pinecones
- pistachio
- plum
- redwood
- sandalwood
- sequoia
- spruce
- teak
- walnut
- weeping fig
- white willow
- yew