Hydrangea macrophylla, the most common species of hydrangea in our gardens, and its cultivars have flowers that range from intense blue to rich pink; most of the time, the color depends on the pH ...

So, if you want your hydrangea to give you blue flowers, use a fertilizer low in phosphorus, such as 12‐4‐8, or try the vinegar trick. To turn your blue hydrangea plants pink, add lime to the ...

Cape Cod’s hydrangeas take center stage at summer’s most colorful festival From bold blue blooms to garden tours and floral wisdom, the Cape Cod Hydrangea Festival is a 10-day celebration of ...

There's even an annual hydrangea festival. Coming in a variety of colors including blue, green, pink, purple, red and white, depending on the type, the hydrangeas are particularly vivid this summer.

To promote a more acidic soil and blue blooms, sprinkle 2 tablespoons of sulfur or aluminum sulfate around the hydrangea in early fall. For pink blooms, sprinkle a cup of dolomitic lime around the ...

An earlier version of this story incorrectly said that alkaline soil leads to blue hydrangea blossoms that, in acid soil, would be pink. It is the opposite. This version has been corrected. My ...

I love the beautiful, billows of blue, pink or white from summer to fall on the hydrangea as an outstanding jewel in the garden. This easy to grow plant will thrive in sun or shade as long as it ...