Plants and weeds that are toxic to chickens

Bracken Fern
Azalea. These beautiful plants are toxic to chickens when congested
Lupine
Oak Trees
Periwinkle
Tulips
Horseradish
Ivy
Rhododendron
Hyacinth
Hydrangea
Lantana
Castor bean
Foxglove
Apricot plants
Daffodil bulbs