A number of people have written about Lavender Phenomenal®.
Published by the Chicago Botanic Garden in 2017. An in-depth report of 40 different cultivars, grown over seven years in the Chicago area. The researchers tested for hardiness in zone 5, ornamental attributes, and longevity in the landscape. Phenomenal® was a top-rated lavender, noted for exceptional flower production and vigorous habit.
The English retailer Suttons featured Phenomenal® on the cover of their 2018 Catalog. Inside they feature the plant with a half-page spotlight: “Have you tried to grow lavender in the past and failed? The lavender for all gardens which grows in sun, shade, wet and dry! Phenomenal® won’t let you down! It’s the lavender for sunny borders AND shady corners.”