What People Say. 1  David Bush and Jim Parsons Authors, Fair Park Deco Fair Park is one of the finest collections of Deco architecture in the country, but it is so much more: the embodiment of Texan swagger, it is a testament to the Texanic task of creating a dazzling spectacle in the darkest days of the Depression..
Hydrangeas turn blue as a reaction to aluminum in the soil. The soil pH should be slightly acidic (5.2 - 5.5). Do a soil test first, to determine your starting pH. Adding aluminum sulfate to the soil will help lower its pH, if necessary. A word of caution: not all plants can tolerate acidic soil and neighboring plants may be adversely affected.
Specially formulated hydrangea fertilizer is available but isnât really necessary. A good all purpose 12-4-8 to 10-10-10 composition will provide all the fertilizing hydrangeas need. Either a chemical source or organic matter can be used successfully. discussion of how to fertilize hydrangeas wouldnât be complete without mentioning the addition of small amounts of sulfur or lime when fertilizing to change hydrangea color. Hydrangeas treated with sulfur will remain or turn blue. Lime results in pink and a change to either color takes time.