Hydrangea macrophylla is commonly called the mophead type, and their flowers are what most gardeners long for: “People lust after those big blue flowers ... pink with a dark pink edge to a ...

You can get a dark pink ... 6.0 typically produces blue or lavender-hued flowers. When the pH is above 7.0 (alkaline), it produces pinks and reds. If you have a pink hydrangea and want it to ...

Adding aluminum sulfate can deepen the blue color. Hydrangea plants make ... Their large dark green leaves add contrast to the flowers at every stage. As they age, the flowers may ‘antique ...