GARDENING fans have been urged to save their kitchen scraps to help a fan-favourite flower bloom with “intense” colour this spring. Hydrangeas can grow the best, vibrant blooms thanks ...

They bloom from May until the first frost ... In spring, you should nourish them with a nitrogen preparation, and in summer, with a potassium-phosphorus one to extend their blooming period.

"Hydrangeas produce their best blooms with intense colour when they are well-fed," he says. "Instead of relying on shop-bought fertilisers, gardeners can use simple kitchen waste to nourish their ...