How To Care For Hydrangea Plant Outdoors. You can choose a dwarf variety from the beginning or you can prune your full sized hydrangea back. Fertilize once a year with a balanced slow-release fertilizer or fertilize twice a year with 10-10-10.
Hydrangeas should get a deep watering about three times a week. Hydrangeas prefer loamy mixture of sand and silt with a bit of clay and moist soil so make sure you frequently check it in the beginning to ensure that it isnt dry or soaking wet. Add organic mulch underneath your hydrangeas to help keep the soil moist and cool add nutrients over time and improve soil texture.
Although the hydrangeas leaves and flowers appear delicate they actually dont require a lot of tender care.
Gently loosen the roots then plant using plenty of rich soil. Opt for a Shrub Instead of Seeds. You are able to harden them off for one to two weeks before planting by placing Hydrangeas outside in their pots during the day and bringing them back inside at night. General Hydrangea Care If you plant them in the summer they need a lot more water in the beginning to establish the root system.