Hibiscus moscheutos 'Luna White' (Hardy Hibiscus)
[Photo By: KPA]
I spent the whole day, a couple of days ago, visiting my favorite places in Toronto.
This white hibiscus was behind the Allan Gardens Conservatory, where the gardeners continue to maintain the grounds, through "COVID" and the recent heatwaves. The flower was glowing. Hardy, indeed.
Hibiscus moscheutos 'Luna White' (Hardy Hibiscus) is a compact and well-branched perennial noted for its huge, snow-white flowers, 8 in. across (20 cm), adorned with a ruby-red center. Blooming continuously from midsummer to fall, the gigantic flowers display conspicuous, protruding, creamy-white tubes of stamens. [Source]
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The term "hardy hibiscus" generally refers to cultivars of Hibiscus moscheutos that are bred to tolerate colder temperatures than most Hibiscus species, most of which are tropical species. These cold-hardy varieties are also known as "perennial hibiscus." Most hardy hibiscus will reliably tolerate temperatures as far north as zone 5, but even zone 4 gardeners may be able to find varieties suitable for their growing conditions. [Source]
Here is my patterned rendition.