Aphrodite: olive, cinnamon, daisy, cypress, quince, orris (iris), apple, myrtle
Aradia: rue, vervain
Artemis: silver fir, amaranth, cypress, cedar, hazel, myrtle, willow, daisy, mugwort, date palm
Astarte: alder, pine, cypress, myrtle, juniper
Athena: olive, apple
Bast: catnip, Vervain
Bellona: belladonna
Brigit: blackberry
Cailleach: wheat
Cardea: hawthorn, bean, arbutus
Ceres: willow, wheat, bay, pomegranate, poppy, leek, narcissus
Cybele: oak, myrrh, pine
Demeter: wheat, barley, pennyroyal, myrrh, rose, pomegranate, bean, poppy, all cultivated crops
Diana: birch, willow, acacia, wormwood, dittany, hazel, beech, fir, apple, mugwort, plane, mulberry, rue
Druantia: fir
Freya: cowslip, daisy, primrose, maidenhair, myrrh, strawberry, mistletoe
Hathor: myrtle, sycamore, grape, mandrake, coriander, rose
Hecate: willow, henbane, aconite, yew, mandrake, cyclamen, mint, cypress, date palm, sesame, dandelion, garlic, oak, onion
Hera: apple, willow, orris, pomegranate, myrrh
Hina: bamboo
Hulda: flax, rose, hellebore, elder
Irene: olive
Iris: wormwood, iris
Ishtar: acacia, juniper, all grains
Isis: fig, heather, wheat, wormwood, barley, myrrh, rose, palm, lotus, persea, onion, iris, vervain
Juno: lily, crocus, asphodel, quince, pomegranate, vervain, iris, lettuce, fig, mint
Kerridwen: vervain, acorns
Minerva: olive, mulberry, thistle
Nefer-Tum: lotus
Nepthys: myrrh, lily
Nuit: sycamore
Olwen: apple
Persephone: parsley, narcissus, willow, pomegranate
Rhea: myrrh, oak
Rowen: clover, rowen
Venus: cinnamon, daisy, elder, heather, anemone, apple, poppy, violet, marjoram, maidenhair fern, carnation, aster, vervain, myrtle, orchid, cedar, lily, mistletoe, pine, quince
Vesta: oak
Specifically as offerings:
All watery and earthy flowers and seeds such a s camellia, lily, water lily, willow stalks; those flowers used in Full Moon rituals; white or purple blooms such as hyacinth, magnolia, heather and lilac; sweet-scented herbs and flowers; those dedicated to Venus or to the Moon; rue, vervain and olive.
~from Maat's Book of Shadows