Van Sellers registered this
cultivar of unidentified parentage in 1987. It grows to a height of
16 inches and 44 inches in width. The leaves are broadly ovate,
moderately corrugated, slightly wavy and have thick substance.
Lavender flowers bloom in August.
The Hostapedia by
Mark Zilis (2009), "Though 'Riptide' comes out of
H. pycnophylla, it differs by the blue-green foliage color and the
density of its flower clusters. Most likely pollen parents
H. 'Sieboldiana', H. 'Tokudama' or a "Tardiana" type."