Arthur Wrede registered this
cultivar in 2005. It is listed as a hybrid between an unnamed
seedling x
H. 'Riptide' which grows about a foot tall and 2 feet wide. The
narrowly ovate leaves which have purplish petioles are slightly
wavy and come to a thin point. It blooms from mid-July into August.
According to
The Hostapedia by Mark Zilis (2009), "...registered as 'Mr Blue' (no
period)..."
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