Astrological ruling planets - plants and herbs (European)  

Mars - ruling herbs & plants - Plants w/ thorns or prickles: Barberry, Cacti, Hawthorn, Nettle. Also plants w/ strong acrid taste: Capers, Coriander, Garlic, Gentian, Hops, Horseradish, Mustards, Onion, Peppers, Radish, Tarragon.

Venus - ruling herbs & plants - Apples, Cherry, Primrose, Strawberry, White Rose, Violet.

Mercury - ruling herbs & plants - Plants with airy looking leaves: Caraway, Carrots, dill, Fennel, Parsley, Lavender, Lily of the Valley, Marjoram, Parsnips, Elecampane, Horehound, Mandrake.

Moon - ruling herbs & plants - (Luminary) Plants similar in shape/color: Banana, Gourds, Mango, Melons, Pumpkin, Sweet Flag, Water lilies. Plants in or near water. Seaweed, Watercress, Willow, Wintergreen.

Sun - ruling herbs & plants - (Luminary) Plants resembling in shape/ color: Chamomile, Celandine, Century, Eyebright, European Angelica, Lovage, Orange, Rosemary, Rue, Storax, Saffron, Walnuts.

Earth - ruling herbs & plants - All root vegetables; Potatoes, beets, Onions, etc

Jupiter - ruling herbs & plants - Fruits: Currant, Figs, Olives, Rose hips. Nuts.

Saturn - ruling herbs & plants - Plants whose qualities are cooling: Barley, Comfrey Root, Tamarind. Woody Plants: Elm, Cypress, Pine. Others are: Quince, Red Beets, Sloes.