AT A GLANCE
At first glance, planting hydrangeas next to thujas seems unproblematic. Both plants prefer a semi-shady location and the thujas with their falling needles also ensure acidic soil. The hydrangeas need this to be able to absorb nutrients from the soil well. However, plants can compete with each other for light and water.
Do hydrangeas and thujas feel comfortable in the same location?
Both hydrangeas and thujas come with one semi-shadyLocation fine. However, if the hydrangea is planted in the shade of the thuja, it can vary depending on height of the hedge be that it is not getting enough light. In this case, you should make sure to choose a hydrangea variety that can cope better with shade.
The falling needles of the thujas ensure that the soil becomes acidic. Because hydrangeas soils with low PH value prefer, a combination of the plants from this point of view makes sense.
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How well do the water requirements of thuja and hydrangea match
Both thuja and hydrangea have a high water demand. Both plants do not cope well with drought. However, the hydrangea tolerates more water than the thuja, so the latter could get too wet while the hydrangea is still comfortable.
If you too little pour, it is likely that the thuja hedge will deprive the hydrangea of water and the perennial will then dry up.
Tip
Note the planting distance
Both hydrangea and thuja are shallow rooters. So that their roots do not get in the way, you should use a large enough one planting distance retain. So that both plants can develop freely, you should plant them at least one meter apart. In the tall growing ones panicle hydrangeas it may be something more.