- Deadly Nightshade (Atropa Belladonna): Also known as banewort, devil’s berries, death cherries, but is most commonly known as deadly nightshade. The name Atropa is said to be derived from the Greek Goddess, Atropis. Who is one of the three fates. Belladonna is supposedly the most poisonous plant in the eastern hemisphere. Although it is poisonous, deadly nightshade also has a few medicinal uses, it was used as a pain reliever, muscle relaxer, and an anti-inflammatory. Belladonna means ‘pretty woman’ in Italian. In German legends it is said to be the plant that belonged to the devil himself, who tends to it all year long except for when he is preparing himself for the witches sabbats. Belladonna is also mentioned in Scottish mythology when MacBeth’s soldiers poisoned an entire army of Danes by mixing deadly nightshade into liquor where it was offered to them at a truce. It is also associated with psych exploration as well as with hallucinations. Although it is not recommended to modern practitioners as it could easily kill you.
- Monkshood (Aconitum): Also known as aconite, monkshood, devil’s helmet, and wolf’s bane. Is most commonly used in Chinese medicine and Hindu traditional Medicine. In Greek mythology Medea attempted to poison Theseus with a cup of wine poisoned by Monkshood. “Widdershins go when the moon doth wane, and the werewolf howls by the dread wolfsbane.” -Wiccan Rede. Used to bring protection and magickal watchfulness against negative entities during rituals. Was used to poison arrow tips in early times. Wolfsbane can also be used to invoke Hecate. You can use this herb (with great caution!) to consecrate your athame. Used also in spells involving psych and spiritual enhancements as well as money friendship and love spells.
- Poison hemlock (Conium maculatum): In ancient Greek Hemlock was used to poison prisoners. All of the parts of hemlock is poisonous. This plant is sacred to Hecate. This herb is used for magickal work involving astral projection and for puryfing rituals for you sacred knife or sword.
- Foxglove (Digitalis): Foxglove is very dangerous if misused. Foxglove has a long history of treating heart and kidney problems as well as treating aconite and edema poisoning. There is an old saying about foxglove it goes: “It can raise the dead and it can kill the living.” Scandinavian legend says that faeries taught foxes to ring foxglove bells to warn each other of approaching hunters. Dew collected on can be used in ritual to communicate with faeries. (Do not inhale the smoke if you decide to burn it) The leaves of foxgloves are said to break faerie enchantments. Plant foxgloves to welcome faeries. Wherever they are placed they will get visits from fae. If you carrie foxglove you will attract faeries.
Disclaimer: All of these plants are extremely deadly. Use at your own risk.
Sources: Wikipedia, paganwiccan.about.com, earthwitchery.com, alchemy-works.com, witchipedia.com.