~ False Hellebore
~ False Henbane
~ Fava Bean
~ Felt Plant
~ Fiddleneck / Senecio
~ Fig (weeping)
~ Firethorn / Pyrucantha
~ Flame Tree
~ Fly Agarie / Amanita
~ Four O'Clock
~ Fly Algaric Mushroom / Deadly Amanita
~ Foxglove - leaves & seeds
~ Gelsemium
~ Geranium
~ Ghostweed
~ Glacier Ivy
~ Glory Bean
~ Glottidium
~ Gloden Chain / Laburnum
~ Gold Toothed Aloe
~ Ground Cherry
~ Heart Ivy
~ Heliotrope
~ Hellebore
~ Hemlock (and any water the plant is in)
~ Henbane - seeds
~ Holly - berries
~ Honey Locust
~ Honey Suckle
~ Horse Bean
~ Horse Chestnut / Buckeye - nuts & twigs
~ Horsetail
~ Hoya
~ Hyacinth - bulbs
~ Hydrangea - flower bud
~ Impatiens / Touch-Me-Not
~ Indian Laurel
~ Indian Licorice Bean
~ Indian Turnip / Jack-in-the-Pulpit
~ Indigo Plant
~ Iris / Blue Flag - bulbs
~ Ivy (lledera llelix)
~ Japanese Yew
~ Jasmine
~ Jathopha - seeds & sap
~ Java Bean - lima bean (uncooked)
~ Jerusalem Cherry - berries
~ Jimsonweed / Thornapple
~ Johnson Grass
~ Juniper - needles, stems & berries

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