Prairie gentian, Eustoma grandiflorum, Close up of white flowers showing stamen.

Echinacea, Coneflower, Purple coneflower, Echinacea purpurea Honey bee Apis mellifers from behind feeding on flowerhead.

Hellebore, Helleborus, Christmas Rose Lenten Rose, close up of a group of flowerheads.

Hellebore, Helleborus, Christmas Rose Lenten Rose, close up of a group of flowerheads.

Coneflower, Black-eyed Susan, Rudbeckia, Small Tortoiseshell butterfly Aglais urticae, feeding on yellow flower.

Culver's root, Veronicastrum sibiricum, White-tailed Bumble bee Bombus lucorum, feeding on mauve flowerhead in a garden.

Bergamot, Bee balm, Monarda fistulosa, Garden bumble bee, Bombus hortorum, pollinating a pink flower.

Sea holly, Eryngium zabelii, Bumble bee Bombus terrestris & honey bee Apis mellifera, pollinating flowerhead in garden border.

Tufted vetch, Vicia cracca, Bumble bee Bombus terrestris, pollinating purple flower in grassy area of woodland.

Geranium, Cranesbill, White-tailed Bumble bee Bombus lucorum, pollinating flower in a garden.

Globeflower, Trollius europaeus, Growing outdoor in bright morning sun.

Aster, Honey bee Apis mellifera, pollinating flower in a garden border.