Flowers and Annual Crop Plants
Fall
Hemp | Cannabis Sativa | Blooms Aug - Nov | Pollen is yellow-green | Cultivated, Agricultural, Feral |Abundant source for bees
Aster | Aster | Blooms Sept - Frost | Pollen is reddish-yellow
Borage | Borago officinalis | Blooms June - Frost
Melons | Cucumis melo | Blooms June - Frost | Cultivated
Sweet Autumn Clematis | Clematis ternifolia | Blooms Late Sept | Pollen is white | Ornamental
Pumpkin | Cucurbita pepo | Blooms June - Frost | Pollen is bright yellow | Cultivated
Ivy | Hedera | Blooms Sept - Oct | Pollen is dull yellow or black | Ornamental, Feral
Goldenrod | Solidago | Blooms Sept - Oct | Pollen is golden | Feral
Summer
Allium | Allium spp. | Feral and Cultivated
Onion | Allium cepa | Pollen is light green | Cultivated
Chives | Allium schoenoprasum | Blooms May - Sept | Feral and Cultivated
Garlic Chives | Allium tuberosa | Blooms Aug - Sept | Feral and Cultivated
Indigo Bush | Amorpha fruticosa | Blooms June - July
Aster | Aster spp. | Blooms Sept - Frost | Pollen is reddish yellow | Feral and Cultivated
Bushy Aster | Aster dumosus | Blooms Aug - Sept | Pollen is bronze yellow | Feral
Borage | Borago officinalis | Blooms June - Frost | Pollen is blueish grey | Ornamental
Marigold | Calendula officinalis | Blooms June - Sept | Pollen is orange
Heather | Calluna vulgaris | Blooms July - Aug | Pollen is yellow-white or white
Hemp | Cannabis sativa | Blooms Aug - Nov | Pollen is yellow green
Blue Thistle | Carduus spp.
Star Thistle | Centaurea spp. | Blooms July - Sept
Knapweed | Centaurea nigra | Blooms July - Aug | Pollen is light olive
Chicory | Cichorium intybus L. | Pollen is white
Cotoneaster | Cotoneaster spp.
Cucumber | Cucumis spp. | Pollen is pale yellow | Cultivated
Melons | Cucumis melo | Blooms June - Frost | Pollen is pale yellow | Cultivated
Pumpkin | Cucurbita pepo | Blooms June - Frost | Pollen is bright yellow | Cultivated
Fireweed | Epilobium angustifolium | Blooms July - Aug | Pollen is blue | Feral
Joe-Pye Weed | Eutrochium | Blooms Aug - Sept | Pollen is bistre green
Buckwheat | Fagopyrum esculentum | Blooms July - Aug | Pollen is light yellow to light green | Cultivated
Blue Vine | Gonolobus laevis syn. Cynanchum laeve
Sunflower | Helianthus annuus | Blooms June - Sept | Pollen is golden | Feral and Cultivated
Jewelweed | Impatiens | Pollen is yellowish white
Alyssum | Lobularia maritima |Blooms June - Sept
Lupin | Lupinus | Blooms June - July | Pollen is white, yellow, or blue
Mallow |Malva sylvestris | Blooms June - Sept
Alfalfa | Medicago sativa | Blooms July - Aug | Pollen is khaki | Feral and Cultivated
Clover |Melilotus spp. and Trifolium spp | Blooms May - Aug | Feral and Cultivated
White Sweet Clover | Melilotus alba | Pollen is auburn | Feral and Cultivated
Yellow Sweet Clover | Melilotus officinalis | Pollen is auburn | Feral and Cultivated
Basil |Ocimum basilicum | Pollen is White | Ornamental
Poppy | Papaver somniferum | Blooms May - June | Pollen is grey | Feral and Ornamental
Phacelia | Phacelia tanacetifolia | Blooms June - Sept | Pollen is navy blue | Feral and Cultivated
Smartweed | Polygonum | Blooms Aug - Sept
Common Chickweed | Stellaria media | Blooms April - July
Germander | Teucrium chamaedrys | Blooms July - Aug
Alsike Clover | Trifolium hybridum | Pollen is yellow brown
Crimson Clover | Trifolium incarnatum | Pollen is dark brown
White Clover | Trifolium repens | Blooms June - July | Pollen is brown
Cat-Tail | Typha latifolia |Blooms June - July
Common Vetch |Vicia cracca | Blooms July - Aug
Spring Vetch |Vicia sativa | Blooms July - Aug
Sweet Corn | Zea mays | Blooms June - July | Pollen is yellowish white | Cultivated
Spring
Ajuga | Ajuga reptans | Blooms mid Spring
Chives | Allium schoenoprasum | Blooms May - Sept | Feral and Cultivated
Asparagus | Asparagus officinalis | Blooms May - June | Pollen is bright orange | Cultivated
Mustard | Brassica arvenisi | Blooms April - May | Pollen is lemon | Feral and Cultivated
Canola | Brassica napus | Blooms May - June | Pollen is lemon | Extensively Cultivated
Leopard’s Bane | Doronicum cordatum | Blooms April - May
Winter Aconite | Eranthis hyemalis | Blooms March - April | Pollen is yellow | Feral and Ornamental
Snowdrop | Galanthus nivalis | Blooms March - April | Pollen is orange or red
Henbit | Lamium | Blooms in April | Pollen is orange, red or purplish
Common Mallow | Malva Neglecta | Blooms April - Sept | Pollen is mauve | Feral
White Sweet Clover | Melilotus alba | Pollen is auburn | Feral and Cultivated
Yellow Sweet Clover | Melilotus officinalis | Pollen is auburn | Feral and Cultivated
Sainfoin | Onobrychis viciifolia | Blooms May - June | Pollen is yellowish - brown
Siberian Squill | Scilla sibirica | Blooms March - April | Pollen is steel blue | Feral and Ornamental
White Mustard | Sinapis alba | Blooms in June | Pollen is yellow | Feral and Cultivated
Common Chickweed | Stellaria media | Blooms April - July | Pollen is yellowish | Feral
Dandelion | Taraxacum officinale | Blooms April - May | Pollen is red, yellow, or orange | Feral
Gorse | Ulex europaeus | Blooms March - Dec | Pollen is light firebrick | Feral
