Enjoy hydrangeas year-round by drying them! Pick flowers mid to late summer, cut the stems, and place them in a sunny spot in your home for one to two weeks. You will then have beautiful air-dried hydrangeas to use for flower arrangements or other diy flower decor!
How to Grow Hydrangeas - including quick tricks to change them from blue to pink or back!!! "The color of your mophead depends upon your soil’s pH. Blue hydrangeas require aluminum; your soil must have a low pH (5.2 to 5.5). You can achieve this by adding aluminum sulfate to the soil.For pink blooms, your soil must have a higher pH (6.0 to 6.2); that is, a low level of aluminum. Phosphorus can help control the aluminum content and help you achieve the desired results."