Trees/shrubs their effect
Trees & Shrubs – Their Effects
Branches and twigs from the garden – which woody plants are beneficial and which you should avoid.
✅ Apple
Branches very popular, nibble-friendly, well-tolerated
✅ Pear
Similar to apple – readily accepted
✅ Willow
Classic! Contains salicylic acid – slightly pain-relieving
✅ Hazel
Branches and leaves popular, well-tolerated
✅ Birch
Branches and bark popular – diuretic
✅ Lime
Branches, leaves, and flowers – all usable
⚠️ Oak
Bark and leaves – small amounts okay, not too much (tannins)
⚠️ Nut
Leaves okay in small amounts – avoid fruits
❌ Yew
Highly poisonous! All parts – absolutely forbidden!
❌ Boxwood
Poisonous – avoid all parts
❌ Thuja / Arborvitae
Poisonous – keep at a distance
❌ Cherry Laurel
Poisonous hydrocyanic acid in the leaves

