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    Home » Gardening

    How To Grow Hydrangea In Pots

    Published by Pam Kessler | 1063 words. · About 6 minutes to read this article. - 41 Comments

    Learn all about growing hydrangea in pots including how to plant them, what growing conditions they prefer, how to make your hydrangea changes colors and how to overwinter hydrangea in pots and urns. It's so much easier than you think!

    Man, do I love a good hydrangea!

    I have Limelight hydrangea on either side of my front porch. Love, love, love them. Great color and very easy to grow. You can see my tips on growing Limelights in my post titled How To Grow Limelight Hydrangea (boring title, but gets to the point).

    Growing hydrangea in pots

    And then a few years ago, I planted one of the original Endless Summer hydrangea in another flower bed and I love it equally as well. Although I have no photos to show you and have no idea why. Other than maybe it's the second child syndrome where you have 49,000 photos of every step of baby number 1's life and 2 photos for baby number 2's life.

    This year I was getting antsy and wanted to add more hydrangea to the mix around here, so I bought two BloomStruck hydrangea, the newest version of the Endless Summer hydrangea line of hydrangeas.

    Limelight hydrangea

    And decided to plant them in pots instead of in the ground. ((Gasp))

    A lot of hydrangea can be planted in pots and urns, but the Endless Summer varieties are perfect for growing in cotainers because they bloom all summer long (hence the name Endless Summer) and only grow 3-4" tall and 4-5" wide.

    The perfect size for my galvanized containers on either side of my garage door.

    I have a video on how to prepare your galvanized tubs for planting in my Container Gardening Made Easy post.

    How To Grow Hydrangea In Pots

    Growing hydrangea in containers

    Planting Your Hydrangea In A Pot

    Pick out your hydrangea. The smaller varieties like my BloomStruck is a good choice since it won't outgrow the pot too soon. Just make sure you are picking one recommended for your region (chances are if they are selling it at your local nursery or big box hardware store, it is fine for your area).

    Endless Summer hydrangea BloomStruck

    Find an appropriate sized pot or urn. The container should be at least 18-20" across, large enough that you don't need to water it all the time and spacious enough for the roots to spread out. Hydrangea like a little wiggle room.

    Preparing soil for container gardening

    If your container was used previously, make sure the soil is loose and not firmly compacted. If planting in a new container, fill with quality potting soil. Dirt from the garden will not work well as it is too hard for the roots to spread out in.

    Growing hydrangeas

    Dig a hole 1 ½ times the size of the plant's current pot.

    Planting a hydrangea

    Remove hydrangea from its current pot and place in the hole. You want to plant it at the same level as it was in the previous pot, not any lower into the dirt and not any higher.

    How to grow a hydrangea in a pot

    Fill around the plant with more soil, gently tamping it down. Put a layer of mulch around the plant to help retain moisture.

    How to Take Care Of Hydrangeas

    Hydrangeas will need watering more often than your typical potted plants, so check your hydrangeas daily in hot spells to see if they need water. A hydrangea will wilt when it does not have enough water, but it's best to not wait that long to water them because wilting causes stress to the plant. I normally stick my finger in the soil and if the top few inches are dry I will water it thoroughly, usually until water drips from the bottom of the pot. Better to over-water than underwater these guys.

    You don't have to go crazy on fertilizer with hydrangea. I planted mine in soil that already has fertilizer in it so that will do for the 1st summer. If your soil does not have fertilizer added straight from the factory, just apply a slow-release NPK 10-30-10 fertilizer every spring. NPK stands for nitrogen, phosphorous, potassium ratios, but basically any fertilizer will have these numbers displayed prominently on the bottle or bag.

    You don't really need to prune this type of hydrangea other than cutting off the flowers you want to dry or put in vases. Otherwise you just let them be. What's easier than that!

    Do Hydrangea Need Sun Or Shade

    Hydrangea prefer morning sun and afternoon shade. Too much sun and they won't bloom as much as they can. That is why I love the container idea since you can move them if you need to.

    Beautiful pink blooms on Endless Summer hydrangea BloomStruck

    How To Make Your Hydrangea Change Color

    Growing certain hydrangea in acidic soil makes the blooms blue or lavender. Growing them in alkaline soil makes the blooms pink. You can fuss around with testing the soil and all that or you can buy a bag of soil acidifier or garden lime, sprinkle it around the plant and like magic your hydrangea will turn colors. This doesn't work for every hydrangea, they must be blue or pink to begin with (so basically I can't change the color of my Limelight hydrangea, but who would want to).

    How To Care For Hydrangea In Pots Over Winter

    If you live in a colder climate you will want to bring your containers of hydrangea into the garage or unheated basement for the winter. Just remember to water them occasionally as they won't get benefit of the snow and rain in the winter like their outside cousins would.  (I normally will water once every six weeks or so. The plants are in a dormant phase during the winter so they are not drinking up very much water, you just want to keep the roots from drying out completely).

    If you planted one of the Endless Summer varieties like I did, do not prune your plant after August 1st. Endless Summer varieties bloom on both old and new wood (that's why they have so many blooms) and you don't want to risk snipping off anything that can bloom next year.

    Endless Summer hydrangea in a pot

    What is your favorite type of hydrangea? Have you ever grown one in a pot or urn before?

    Growing hydrangea in pots

    (This post contains some affiliate links for your convenience. You can read my full disclosure policy here.)

    New For Spring 2021:

    Purchase printable garden planner

    Other Posts You May Enjoy:

    How To Dry Hydrangea The Easy Way
    How To Grow Limelight Hydrangea
    Quick And Easy Hydrangea Wreath

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    Reader Interactions

    Comments

    1. Jacklyn

      October 01, 2021 at 9:24 pm

      Hi everyone, thanks for sharing all the info. I added 3 hydrang in my garden for 1st time with am.sun til 2ish pm in the ground & I've been disappointed. I will try in pots next spring!

      Reply
      • Rose

        June 25, 2022 at 10:55 pm

        Should I trim off the wilted flowers once they dry out & turn brown?

        Reply
    2. Claudette Trommenschlager

      October 06, 2021 at 12:09 pm

      What happens when you get stabbed in the arm with one of these branches????

      Reply
    3. Elaine

      October 06, 2021 at 9:25 pm

      my Hydrangea is 4 years old . I have never had a bloom or bud because the deer eat in my yard around 4 every morning. how can I protect them!!!

      Reply
    4. Robyn G Leckner

      October 13, 2021 at 8:42 am

      Hi,
      I live in northern Minnesota. I have 2 hydrangea's that are in pots just this summer. want to bring them in but afraid they will freeze in the garage or be to warm in the house. I have no basement. Can you give me advice on what to do? I really love these 2 plants.
      Thank you,
      Robyn L.

      Reply
    5. Rosey Mulbery

      October 14, 2021 at 4:35 pm

      I have had two Hydrangea plants in my garden for two seasons. They are quite full with leaves but only have about 3-4 blooms on one and the other, maybe 10. I don’t know the type as I didn’t pick t he emailed out myself. How can I get them to produce more blooms?

      Reply
    6. Jimmy Don’t Rothwell

      October 14, 2021 at 10:18 pm

      I would love to have info on growing hydrangeas in pots please.

      Reply
    7. Pamela J Gaines

      October 15, 2021 at 3:08 pm

      I live in Michigan and have beautiful Hydrangeas. In winter I wrap chicken wire around the base leaving 6 inches excess. I then fill with leaves and they do great

      Reply
    8. Janie Fuller

      October 18, 2021 at 9:49 am

      I'm really not trying to b difficult... but u say that the "Endless Summer" hydrangeas get to b 3-4" [inches] tall... I think that's supposed to b 3-4' [feet] tall.

      Just didn't want someone to plant in a "too small" space & get disappointed!

      Have a blessed day!

      Janie

      Reply
    9. Sharon

      May 20, 2022 at 12:27 am

      Hi great info thank you. How can I tell which type mine is Costco didn't have any info with it. It's a beautiful deep pink, just wondering how big it will get.

      Reply
    10. Pauline

      February 17, 2023 at 5:04 am

      I bought two lovely young blue plants last year planted them in the ground which was a shady spot ,
      I water them well adding some fertilizer it was diluted tomato fertiliser , then a few days later the leaves dropped off the stems went brown . I think I have killed it , did I?

      Reply
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