Hosta 'Ohh! Blue Granite'
 

Registered by Ed Schulz of Iowa in 2018, this medium size (14 inches high by 26 inches wide) cultivar is of unknown parentage. It is an intensely blue hosta with foliage that is ovate, relatively flat and has a glaucous bloom on the top and bottom. Near white flowers bloom from mid-June into July on scapes about 24 to 36 inches tall followed by viable seeds.

The registration materials state: "...Blue color is deep, intense and long-lasting. Will sustain light to heavy frosts...Holds deep blue color well into the fall...light lavender in middle of interior petals." 

 
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