Hosta 'Ohh! Blue Otto'
 

Registered by Ed Schulz of Iowa in 2009, this slow growing, small size (10 inches high by 20 inches wide) cultivar is of unidentified parentage. The blue-green foliage is moderately corrugated, ovate, slightly cupped and has a glaucous bloom on top. Tubular flowers bloom on scapes 10 to 12 inches tall.

According to the registration materials: "...excellent substance; holds color until frost..."

An article in The Hosta Journal, (2017 Vol. 48 No 1), says that the Ohh! stands for Old Home Hostas.

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