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The Original® Hydrangea | Endless Summer®

(14 customer reviews)

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About The Original® Hydrangea | Endless Summer®

The Original Endless Summer Hydrangea is a stunning flowering shrub that produces an abundance of large, colorful blooms throughout the growing season.


The original Endless Summer Hydrangea, also known as Hydrangea macrophylla ‘Bailmer’, is a deciduous shrub that typically grows 3 to 5 feet tall and wide. What sets this variety apart from other hydrangeas is its unique ability to bloom on both old and new wood, which means that it can produce flowers continuously throughout the growing season, from late spring to fall. The blooms are large, mophead-like clusters of pink or blue flowers, depending on the soil pH. In acidic soils, the flowers will be blue, while in alkaline soils, they will be pink.

Growing Conditions

Endless Summer Hydrangea thrives in partial shade, with morning sun and afternoon shade being the ideal growing condition. It prefers well-draining, moist soil that is rich in organic matter, and benefits from regular watering, especially during periods of drought. This shrub is hardy in USDA zones 4 to 9, which means it can tolerate a wide range of temperatures, from -30°F to 20°F.

Care Requirements

Endless Summer Hydrangea is relatively easy to care for, but there are a few things to keep in mind to ensure it stays healthy and blooms prolifically.

  1. Pruning: Endless Summer Hydrangea blooms on both old and new wood, so pruning is generally not necessary unless you need to shape the plant or remove dead or damaged branches. If you do prune, it is best to do it immediately after flowering.
  2. Soil pH: The color of the flowers is influenced by the pH of the soil, so if you want blue flowers, you should amend the soil with aluminum sulfate to make it more acidic. If you prefer pink flowers, add lime to make the soil more alkaline.
  3. Fertilizing: Endless Summer Hydrangea benefits from regular fertilization with a balanced, slow-release fertilizer. Apply the fertilizer in the spring, just as new growth begins.
  4. Winter protection: In areas with harsh winters, it is a good idea to protect the plant from frost damage by covering it with burlap or another protective material.

In conclusion, the original Endless Summer Hydrangea is a beautiful and versatile shrub that is perfect for adding color and interest to any garden or landscape. With its unique ability to bloom continuously throughout the growing season and its easy care requirements, it’s no wonder this plant has become a favorite among gardeners of all skill levels. Whether used as a specimen plant or mass planting, Endless Summer Hydrangea is sure to make a statement and provide years of enjoyment.

This plant will be dormant if ordered during winter/early spring (Roughly November – Mid-March)

*The Original® Hydrangea is a deciduous/semi-evergreen plant and will go dormant during the winter months. When this plant is ordered during the Fall/Winter expect seasonal foliage decline(discoloration, spots, leaf drop) or the plant to arrive completely dormant.*

The Original Hydrangea Spacing Recommendations 

Space Your Original Hydrangea 2 feet apart for a seamless planting. Alternatively, plant them 5+ feet apart to leave space between shrubs.

YouTube video

Scientific Name
Hydrangea macrophylla 'Bailmer' - Endless Summer
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Average Size
3-5' H x 3-5' W
Bloom Season
Test Your Soil with Soil Test Kits from Plants by MailTest Your Soil with Soil Test Kits from Plants by Mail

14 reviews for The Original® Hydrangea | Endless Summer®

  1. Ora Phoenix

    Very impressed with plants ordered . They arrived undamaged and quick. Just discovered company will be a returning customer.

  2. marilyn mathis (verified owner)

    I ordered and received ten endless summer hydrangeas in a timely manner. The plants were packaged well and healthy and beautiful, some even with blooms. I only wish you sold limelights as I want to add to my mature collection. Very satisfied!

  3. Bryan Houser (verified owner)

    Plants arrived looking great and were larger then I expected. Packing was excellent.

  4. Carol LePree (verified owner)

    I ordered 6 of these plants and was disappointed upon their arrival. Two of the six arrived completely out of the soil with exposed roots. Another two came completely crushed with branches broke off at the soil level. Upon contacting Christy in customer service, I was told that the plants were “well and healthy” and “to enjoy planting them.” Their condition is horrific. They will not replace the two crushed plants, instead only extended the warranty by 30 days. Do yourself a favor and buy plants elsewhere.

    • Team PBM

      Ms LePree, I spoke you in good faith and kindness via email. The plants were not bad at all and were well, strong and healthy. Showing a tiny portion of roots from the root crown after shipping does not qualify as exposed roots in a manner that will be harmful to the plant. I kindly offered you an extended warrantee should you have any declining issues with these plants in the future. I am wishing you and your plants the best.- Christy

  5. bsoupsr (verified owner)

    Two Orignal Hydrangea/Endless Summer arrived yesterday. When I ordered I was not sure if they would still be dormant but they arrived small but full of new leaves. Because the new growth was so fresh and that it took Fed Ex 9 days to deliver – other order had taken 6 days- the leaves were slightly wilted but perked up after being planted and given a healthy drink of water. Looking forward to healthy plants with great blooms.

  6. Rui (verified owner)

    I wished I can leave a better review but I have to be honest. I received 3 plants and the ES hydrangea was in super bad condition. I took pictures and contacted / emailed the Plantsbymail immediately to report the issue and seeking for solutions. No response. Emailed them the 2nd time about a week later. I still have not gotten any response. Really disappointed. To be fair, I still give 3 stars for the other healthy plants, but not for the problematic one especially the unreachable customer service.

    • nick norman

      Good afternoon Mr Rui, I did contact you back within 12 hours, as you left your message at 5:59pm and I got into work the next day at 6:00am, responding at 6:14am. Please check your junk folder as my reply probably went there contingent on your email settings. The cost of this plant has been refunded to you as I said would be in my reply email. I hope your day gets better. – Christy

  7. Diana (verified owner)

    I had ordered Hydrangeas for myself and they arrived blooming and happy. I replanted them and they continued to look great. I bought a plant for a friend who was ill. She LOVED the hydrangea. I will use Plants by Mail any time I can. VERY satisfied!

  8. Joe (verified owner)

    Prompt delivery and plant in excellent condition. I planted it straight away and expect an excellent result.

  9. tammytravis42 (verified owner)

    The 5 Original Endless Summer Hydrangeas I ordered arrived in beautiful shape and already with blooms. Every time I order from Plants by Mail I am very happy with the plants I receive!

  10. Alison (verified owner)

    Plants arrived well packaged and looking nice. They are starting to bloom and are looking very pretty.

  11. Elizabeth (verified owner)

    The 3 I received four days ago are absolutely gorgeous! I’m ordering two more for a larger display.


    THANK YOU to Jim Putnam (Hortube)
    for recommending this company!!!!!!!!!!

  13. darlene.salisbury (verified owner)

    I’ve ordered many plants from Plants by Mail. I ordered two of The Original® Hydrangea | Endless Summer®. I’m in zone 8. Can’t wait to see them in full bloom this summer. The customer service for this company is great.

  14. Rachel

    I’ve ordered quite a few plants from Plants by Mail and I am always impressed. The order arrives promptly and well packaged. I have no complaints and will continue using Plants by Mail for all future plant needs.

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