Here are a few more flower images which I've added to my 2022 collection of Acton Arboretum flowers. I was equipped with an Olympus E-M1 and 40-150mm F4 zoom. All photos were taken at F4 and a focal range of 122-150mm (244-300 full frame equivalent). ISO ranged from base ISO 200 to ISO 800.
Bumble Bee on Lambs-Ear Plant
Bumble Bee in Flight
Wild Sweet William a.k.a. Soapwort
Flowering Raspberry and Buds