How to Grow Hydrangeas Indoor Properly

Hydrangeas are the plant which lights up the landscape with big globes of dazzling color in spring and summer. Can Hydrangeas grow indoors? If so, how do you grow Hydrangeas indoors? The good news is that hydrangeas are well-suited for indoor growing and they are relatively easy to care for as long as you are able to satisfy the plant’s basic needs.

Tips for growing Hydrangeas indoor

To choose a good hydrangea for indoor use, you have to look for a Hydrangea plant with only some blooms and many buds still developing. The Hydrangeas should fill out the pot with healthy dark green leaves.

Hydrangea bloom

Light requirements

  • Hydrangeas need a lot of light to keep blooming.
  • Hydrangeas will not be able to tolerate direct, afternoon sun.


  • While Hydrangeas are in bloom, hydrangeas need daily watering.
  • When Hydrangeas finish blooming, they need much less, however they should never be allowed to dry out.
  • You have to use distilled or rain water on the hydrangeas, most local water is really alkaline and it may affect the color of the blooms.

Temperature requirements

  • Once actively blooming, Hydrangeas are going to remain in the best condition if kept cool, around 50-60 degrees.
  • During the rest period in fall and early winter, Hydrangeas should be kept around 45 degrees.


  • You have to keep Hydrangeas in average to high humidity.
  • Dry winter air will be able to cause wilting and damage.
  • You have to keep Hydrangeas away from drafts and heat sources.


  • You should feed your Hydrangeas weekly with a water-soluble half-strength fertilizer while they are actively growing and blooming.
  • While Hydrangeas are resting in fall and winter, you only need to feed Hydrangeas once a month with the same weak solution.


You have to know that Hydrangeas plants do well in a high-quality, peat-based potting soil such as Bachman’s Mighty Earth Potting Soil.


If you are going to try to winter your Hydrangeas, it will likely require to be repotted in the spring.


A gentle shower can remove most of the dust that has accumulated on the large leaves. So, you have to ensure that you do that.


You should do a root tip cuttings from the new growth on the branches which are not blooming.

Tips for caring Hydrangea indoors

Here are some steps to care Hydrangea Indoors:

  • If the hydrangeas are a gift, you are able to remove any foil wrapping. Please remember that hydrangeas sold during the holidays may not be hardy enough to survive indoors. If you are serious about growing hydrangea indoors or as a houseplant, probably you have better luck with a plant from a nursery or greenhouse.
  • You will be able to move the hydrangea into a large container filled with high quality potting mix. Please place the hydrangea where it receives bright light. Need to know that outdoor grown hydrangeas tolerate light shade, however indoor plants need many light (but not intense, direct sunlight).
  • You have to water your hydrangea houseplant frequently when the hydrangea is blooming. However, you should be careful not to overwater. You have to decrease the amount of water after blooming. But, you do not ever allow the potting mix to become bone dry. If probable, you should water potted hydrangea houseplants with distilled water or rainwater, because tap water usually contains chlorine and other chemicals.
  • You need also use a humidifier if the indoor air is dry or place your hydrangea on a humidity tray. You have to know that Hydrangea is happiest in a cool room with temperatures between 50- and 60-degrees F. (10-16 C.), particularly during blooming If you find the leaves turning brown and crispy at the edges, it is likely that the room is too warm.
  • You have to protect the hydrangea from drafts and heat sources. Please feed the hydrangea every week while the plant is blooming, by using a water soluble fertilizer diluted to half strength. After that, you are able to cut back to one feeding per month.
  • Once growing hydrangea indoor or as a houseplant, a period of dormancy during fall and winter is very recommended. You have to move the hydrangea into an unheated room with temperatures around 45 degrees F. (7 C.). The potting mix must be kept on the dry side, however water lightly as needed to prevent the plant from wilting.

Hydrangeas Grow throughout the year

Hydrangeas grow

Hydrangeas Indoor rarely survive the winter months and are considered a temporary plant to enjoy while they last. You or the adventurous gardeners are able to try to keep their Hydrangeas going from year to year by simulating the changes of season they will experience in nature. Here is how:

  • After they have finished blooming, you are able to cut each branch back some inches.
  • As soon as possible, you have to move the Hydrangeas outside to an area which gets lots of light, but no direct afternoon sun.
  • Please fertilize the Hydrangeas every week through late summer.
  • It is best to keep the Hydrangeas outdoors for as long as possible, although the Hydrangeas cannot tolerate heavy frost.
  • You have to protect the Hydrangea from light frost by covering or moving it inside temporarily so that it will be able to stay out a few weeks longer.
  • Once a hard frost is imminent, you have to move the hydrangea indoors to a very cool location, gradually increasing the warmth over the next month or two.
  • With luck, the Hydrangeas will have set buds during the cool weather outdoors and will proceed to bloom inside.

Well, the text above is a way to grow Hydrangeas indoor. From the text above, you get information about tips for caring Hydrangeas indoors. Remember that outdoor grown hydrangeas tolerate light shade, however indoor plants need many light (but not intense, direct sunlight). If you want to get more information related to Hydrangeas, you are able to read other articles on our site such as what causes hydrangea leaves to turn yellow and how to fix it.

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