Hydrangeas are popular flowering plants in the South. Find out here how best to care for them and even change their color.

Too much aluminum sulfate can burn the roots or the plants. Adding this mixture will tend to lower the pH of the soil, plus provide aluminum, which is needed to keep the flowers blue.

The back of the property, mostly shaded by big trees, is planted with dozens of hydrangeas... Keeping hydrangeas blooming blue SF Gate Logo Hearst Newspapers Logo ...

Some hydrangea species (typically Hydrangea macrophylla) can have pink or purplish flowers turned more blue by acidifying the soil with aluminum sulfate as was tried by our hypothetical hydrangea ...

Hydrangeas are blue when they are grown in acid soils. Jeff Strout 2021. Facebook; ... To encourage your hydrangeas to bloom blue, apply aluminum sulfate in October and again in March.

To turn hydrangeas blue, acidifying the soil usually works best. The two best choices are sulfur, which comes in bags of little yellow grains, and aluminum sulfate. Espoma also makes a bagged ...

The Trustleaf 1kg Tub Aluminium Sulphate, which is available on Amazon for £9.90, has been praised by customers who successfully turned their hydrangeas blue and maintained the shade.

Hydrangeas offer some of the most stunning color options in the flower garden. The intense pinks and purples of the mophead hydrangeas add a vivid punch of color that’s unlike anything else that ...

To encourage your hydrangeas to bloom blue, apply aluminum sulfate now and again in March, following package directions. This makes the soil more acid and provides aluminum ions.

As summer approaches, green thumbs are eager to fill their gardens with seasonal blooms, and a top pick is the ubiquitous Hydrangea, known for its eye-catching pink and blue flowers. But sometimes ...

I had no idea how alkaline alfalfa meal is until it turned the flowers of one of my favorite dark-blue lace caps an undesired pinkish mauve. Wait to apply aluminum sulfate to turn your hydrangea ...

Bigleaf hydrangeas ... color is through liquid soil drenches. To make the flowers blue, or perhaps bluer during the growing season, dissolve a tablespoon of alum (aluminum sulfate) in a ...