The color of the flowers that bloom on these bushy plants can take on many shades of red buds, blue blooms, pink flowers, ...
Hydrangeas can bloom in a range of colours depending on the soil, but if you want them to turn blue, one gardening expert has a clever tip.
will result in pink or red flowers. This is because aluminium ions in the soil are less available to the plant than they would be under acidic conditions. At a lower pH (below 7), the plant takes up ...