soil for hydrangeas - Knowledgebase Question

Laurel, md
Question by kissmycubicl
August 7, 2005
I bought one of your hydrangeas from Behnke nurseries in Beltsville md.

It is a pinkish lace type flower. It is still in the container.


1. How much sun does it need ?. - I have 2 other hygrangeas in deep shade that are doing very badly.

2. What should the composition of the soil be that I plant my new hydrangea in. ?


Paul Young

Answer from NGA
August 7, 2005


A location in morning sun or dappled light all day long would be best. Avoid all day sun or all afternoon sun. Winter wind protection is also important. The soil should be humusy, organic, and evenly moist yet well drained. This means damp like a wrung out sponge, not sopping wet or saturated and never bone dry. The organic matter helps the soil hold both air and water and this keeps their roots healthy. You should also use an organic mulch about three inches deep over the root area. This will help feed the soil as it breaks down slowly over time. Some hydrangeas are blue in acid soil and pink in alkaline soil. Some are bred to remain pink in most soils. Without knowing which one you have, I would say give it about three years to settle in and become well rooted then adjust the pH gradually if it turns out you need to so that it stays a good pink. Enjoy your hydrangea!

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