When gardeners ask how they can change the color of their hydrangea flowers from pink to blue, I sometimes jokingly suggest they move to the east coast where the soils are acidic. Nebraska soils tend ...

One day you notice yellowing leaves on your favorite gardenia bush. You don’t find any evidence of pests and you’ve ruled out watering problems, so you suspect a nutritional deficiency. However, ...

Q: We have a Christmas cactus that had pink flowers. Now the cactus is in bloom but the flowers are white. How does Christmas cacti change colors? (e-mail reference) A: Good question! I really don't ...

Lots of people love hydrangea flowers. After all, they're bright, colourful and have the potential to brighten up any garden. However, little you may know, they can actually change colour when given ...

Hydrangeas, with their lush, rounded blooms resembling cheerful pom-poms, bring undeniable charm to any garden. Their flowers, ranging in vibrant shades from cornflower blue to soft purples and ...

Imagine if coffee mate and sugar never dissolved in your coffee. Or cream and sugar never dissolved in your tea. Plants face a similar dilemma when they are grown in soil with the wrong pH. Soil pH is ...

Gardeners across the UK are discovering a simple trick to transform their hydrangeas into a striking pink display - and it all comes down to one common soil additive. By adding one item to the soil, ...

Hydrangea enthusiasts are buzzing about how to deadhead their plants and tweak the colour of their blooms over time. Social media is awash with tips on using blueing agents like aluminium sulphate to ...