Plenty of flowers are bluish, but it’s rare to find true blue in nature, says Naonobu Noda, a plant researcher at the National Agriculture and Food Research Organization near Tsukuba, Japan, and ...

14:41, Wed, Mar 12, 2025 | UPDATED: 14:47, Wed, Mar 12, 2025 Share Article Bookmark Comments Gardens will have blue and pink flowers that 'last for weeks' with 1 perennial plant (Image: Getty) ...

Hydrangea flowers can range in colour from pink to blue, and one gardener has shared a simple trick to turn your pink hydrangeas blue - and it's all down to one kitchen scrap item ...

At neutral pH, some varieties remain pink while others will start showing hints of blue with lovely shades of lavender. Blue hydrangeas tend to bloom better in acidic soils, usually with a pH of 5 ...

Plenty of flowers are bluish, but it’s rare to find true blue in nature, says Naonobu Noda, a plant researcher at the National Agriculture and Food Research Organization near Tsukuba, Japan, and ...