@B3 this website says: "Dahlia buds do not open after cutting. Dahlias should be harvested when they are about 3/4 open and the back petals are not yet wilting."
First time my Viburnum 'Lanarth' shows such nice autumn colours. Usually the leaves are all brown and wrinkled (scorched by the summer sun)... But we didn't have a summer this year!
Posts
Autumn colours are starting here with Acer palmatum ‘Shaina’ and Chinese virginia creeper
https://www.littlefarmhouseflowers.com/blog/2018/12/23/dahlias-for-all
What dahlias have you got? I've ordered my first dahlia ever from Sarah Raven (free delivery code: Au21BB) -- a Cornel tuber, arriving in February.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.