Site has suggestions for plants/flowers that will attract and provide food for bees in all 4 seasons (click photo)... nice - and informative Journal article, click link here - http://www.jstor.org/stable/2455613?seq=1#page_scan_tab_contents. More
Greater Knapweed - Centaurea scabies is big and showy, like a cross between a cornflower and a thistle, with whiskery petals in a whorl. It is a valuable nectar source for insects and a favourite flower of butterflies, including the Marbled White and Dark Green Fritillary. It also has therapeutic properties, and was once used in skin ointments to heal wounds and infections. Centaurea scabiosa is a truly outstanding wild flower which outshines many cultivated plants.
Pollinator friendly gardens - garden features that support pollinators. It’s easy to create pollinator friendly gardens. Many of the features that pollinators like, humans like, too. Here are seven garden features Julie recommends ....
Pink sedum, echinacea, Russian sage, and spiky bright purple liatris in mid-late Summer. The tallest shrub, Eupatorium maculatum 'Gateway' Joe-Pye Weed, is a prairie native, and should do well in the Intermountain West.
Daphnis Hübner (Oleander hawkmoth) The adults feed on nectar of a great variety of flowers. They have a preference for fragrant species like petunia, jasmine and honeysuckle. They are especially active in the twilight time, hovering over the flowers after sunset.