x Alcalthaea suffrutescens, as the name kind of suggests, is a result of crossing Althaea, herbaceous perennials that include Althaea officinalis (the marsh mallow), with Alcea species (hollyhocks).
Now we’ve got that out of the way, we can relax and enjoy the floral fantasy they were creating outside one of the tea rooms at RHS Garden Bridgewater a few weeks ago. Continue reading “Alcalthaea: Crossing Hollyhocks with Other Mallows”