Hosta ‘Krossa Regal’

Hosta ‘Krossa Regal’ is one of the classics, and it is an impressive sight with its large, vase-shaped mound. This hosta has thick, naturally slug-resistant, frosty blue leaves that become a slightly deeper blue as the season progresses. In my gardens, I use these upright hostas as a background for smaller hostas. Unfortunately my largest Krossa Regal had grown to be so huge, we needed to move it to a larger spot, and it was just too big to be moved intact, so I reluctantly divided it for the first time last year. Krossa Regal is sterile and does not produce seed pods, so I always cut the flowers off, leaving a few inches of scape, as soon as it finishes blooming. Like a few other hostas, Krossa Regal will sometimes turn an orangy-gold color in the fall, although this has never happened in my gardens. I think perhaps the summer temperatures are too cool for that to happen to hostas growing here?

Leaves:
11 1/4 inches long, 7 inches wide
12 to 13 vein pairs

Flowers:
medium lavender
blooms late July to early August
36 to 63-inch high scapes

Mound size:
71 inches in diameter
33 inches high

Written by Shirley | Filed Under Hosta, Plants in my Gardens, Voluntary Simplicity

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