Plants flower when they flower is my logic. Hellebores frequently flower in Autumn, I believe there was a post re this a few days ago. Flowering is triggered by many things, cooler nights, rainfall after a drought, day length. Having said that, I have a Hellebore (and its descendents) that I bought in flower in Autumn and continues in that fashion.
I have one flower on a "spring" flowering Viburnum, and on the dogwood. This time last year Iposted a picture of Apple blossom on the end of a branch that was carrying mature fruit. Plants just seem to do mad things sometimes.
M Viburname Bodnantense was flowering on and off for most of the summer, following a very floriferous winter and spring ... can't see any blooms at the moment tho'
My Clematis cirrhosa 'Freckles' did the same.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Thank you for all your helpful comments. First time it's ever happened to me in over thirty years of keen gardening😏. I guess there's always a new experience to be had when gardening. We're always learning - long may it continue!
PS I hope your 'Freckles' comes back Obelixx. Mine has given a few flowers this summer.
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In the sticks near Peterborough
In the sticks near Peterborough
My Clematis cirrhosa 'Freckles' did the same.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Meanwhile, my small hamamelis Jelena has been flowering for 5 weeks now and with much longer and more numerous petals than last winter.
PS I hope your 'Freckles' comes back Obelixx. Mine has given a few flowers this summer.