Which fertilizer for hydrangeas is best? Some hydrangeas are bright white while others sport lovely hues of pink, blue, red or purple. Regardless of the color, the large blooms are a beautiful ...

However, blue, pink, red and purple blooms have varying requirements to bring out vivid shades. Blue flowers need highly acidic soil with a pH of 5.5 or lower to achieve an eye-catching hue.

Blue flowers need highly acidic soil with a pH of 5.5 or lower to achieve an eye-catching hue. The color of pink and red blooms is at its best with a pH level of 6.5 and above.

How we picked the best fertilizers There are several factors to consider when choosing a fertilizer for your garden. Here’s what our experts recommend keeping in mind: Organic and non-organic ...

Blue flowers need highly acidic soil with a pH of 5.5 or lower to achieve an eye-catching hue. The color of pink and red blooms is at its best with a pH level of 6.5 and above.