To be used as decorations on the altar, round the circle, in the home.
Samhain:
Chrysanthemum, wormwood, apples, pears, hazel, thistle, pomegranates, all grains, harvested fruits and nuts, the pumpkin, corn.
Yule:
Holly, mistletoe, ivy, cedar, bay, juniper, rosemary, pine.
Place offerings of apples, oranges, nutmegs, lemons and whole cinnamon sticks on the Yule tree.
Imbolc:
Snowdrop, rowan, the first flowers of the year.
Ostara/Eostara:
Daffodil, woodruff, violet, gorse, olive, peony, iris, narcissus, all spring flowers.
Beltane:
Hawthorn, honeysuckle, St. John's wort, woodruff, all flowers.
Litha/ Midsummer:
Mugwort, vervain, chamomile, rose, lily, oak, lavender, ivy, yarrow, fern, elder, wild thyme, daisy, carnation.
Lughnasadh:
All grains, grapes, heather, blackberries, sloe, crabapples, pears.
Mabon:
Hazel, corn, aspen, acorns, oak sprigs, autumn leaves, wheat stalks, cypress cones, pine cones, harvest gleanings.
~from Maat's Book of Shadows