Abelia x grandiflora ‘Mardi Gras’

I was just photographing our 21 year old specimen of Abelia x grandiflora ‘Mardi Gras’, and as we like to do, took measurements, which showed our plant is now 8′ tall x 10′ wide. I should also note that this is growing in an unirrigated part of the garden, without benefit of fertilizer. Just for