Bay is also a good choice for warding off spirits.
For psychic work, I would recommend cinnamon, allspice, jasmine, lemongrass, and yarrow. I've also heard of people using mint in teas to promote psychic awareness and to attract positive energies.
For luck I would suggest clover, sunflower, bergamot, cotton, and daffodil to name a few.
If you would like to read further on the topic, I've add some resources below that you might find interesting.
Herb Magic for Beginners: Down-to-Earth Enchantments ~ by Ellen Dugan
Cunningham's Encyclopedia of Magical Herbs ~ by Scott Cunningham