Lavender, mild antidepressant that causes sleep; color might have significance in psychic development
Rose, smells nice? Corresponds to feminine divine, life, keeping secrets, complex mysteries
Pomegranate, symbolic of underworld travels like that of the legend of Persephone
Citrus, stimulant, solar, fiery
Pumpkin...corresponds to autumnal holiday observations, perhaps?
I might be missing something, that's all just off the top of my head. This is my favorite herbal encyclopedia online, by the way, I hope the sparkles and moving gifs don't put you off: