Growing hydrangea’s in Colorado

 

 

As with any plant the success of growing hydrangeas is dependent upon the quality of the soil you are planting in and where you plant. Hydrangeas do best in a place where they get morning sun and afternoon shade. They prefer soil that has been amended well with peat moss and compost. For our soils, you need to add a lot of peat moss and compost. This will help the soil drain well and lower the pH of your soil. Begin by digging a hole one and a half times wider than the container the plant came in. Add straight peat moss or Sheep, Peat and Compost to the planting hole.

Add some fertilizer with a high middle number to the bottom of the hole and then cover slightly. Take your hydrangea out of the container and rough up the sides and bottom of the root ball. Center the plant in the hole, making sure the top of the root ball is even with the surrounding soil surface. Back fill the planting hole with more peat moss or Sheep, Peat and Compost. Water well.

Our soils are generally alkaline so your blooms will be pink unless you regularly acidify your soil with Sulfur or Aluminum Sulfate. Adding a top dressing of peat moss or compost through the growing season will also help maintain soil acidity.   

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