39" Self-Watering Windowbox, Terra Cotta
39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox 39" Self-Watering Windowbox

39" Self-Watering Windowbox

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Exclusive | Self-Watering Window Boxes Keep Flowers Healthy

  • Enjoy long-blooming, wilt-proof flower displays!
  • Easy to install under a window or on a railing with included brackets
  • Water-level indicator lets you know when to fill reservoir

These self-watering window boxes let you create a smart, consistent look around your home, while ensuring your plants don't dry out. They have big water reservoirs that keep soil moist and plants healthy. An easy-to-read water level indicator helps you keep the reservoir full, and adjustable steel mounting brackets allow for wall or deck rail mounting.

  • Made of frost-resistant plastic
  • 9" W x 7-1/2" H x 39" L
  • Holds 28 quarts of container mix
  • 9-quart water reservoir
  • Gardener's Supply Exclusive

REVIEW SNAPSHOT®

by PowerReviews
39" Self-Watering Windowbox
 
4.5

(based on 437 reviews)

94%

of respondents would recommend this to a friend.

Pros

  • Attractive (315)
  • Holding capacity (313)
  • Weather proof (260)
  • Drains well (245)
  • Durable (169)

Cons

  • Difficult setup (11)
  • Flimsy (9)
  • Grows mold/mildew (5)
  • Deteriorates/rots (4)
  • Heavy / bulky (4)

Best Uses

  • Outdoor plants (315)
  • Window decoration (220)
  • Patio (30)
  • Growing seeds (25)
  • Garden (13)
    • Reviewer Profile:
    • Avid gardener (276), Getting started (65), Practical (49), Master gardener (28), Budget shopper (22)

Reviewed by 437 customers

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5.0

Perfect!

By Linda in Virginia

from Lyndhurst, Va.

About Me Getting Started

Verified Buyer

Pros

  • Attractive Design
  • Drains Well
  • Holding Capacity
  • Lightweight
  • Sturdy
  • Weather Resistant

Cons

    Best Uses

    • Outdoor Plants
    • Window Decoration

    Comments about 39" Self-Watering Windowbox:

    We bought four of these window boxes for the front of our house. They were easy to install and fill and look so pretty. We recently traveled for a week and were happy to come home and have our plants still damp and lovely. We're very happy with these boxes.

     
    4.0

    Just starting out

    By Katrinka

    from Me

    About Me Getting Started

    Verified Buyer

    Pros

    • Attractive Design
    • Drains Well
    • Holding Capacity
    • Weather Resistant

    Cons

      Best Uses

      • Outdoor Plants

      Comments about 39" Self-Watering Windowbox:

      So far so good. Love being able to see when to add water, I was a little concerned about the weight, but will see how it holds up over the summer

      (1 of 1 customers found this review helpful)

       
      5.0

      veary good setup

      By ele

      from harrison arkansas

      About Me Getting Started

      Verified Buyer

      Pros

      • Attractive Design
      • Drains Well
      • Faster Growing With Const
      • Holding Capacity
      • Lightweight
      • Sturdy
      • Weather Resistant

      Cons

        Best Uses

        • Growing Seeds
        • Outdoor Plants
        • Window Decoration

        Comments about 39" Self-Watering Windowbox:

        we planted strawberry plants in the container and they grew very fast in fact started to blossom after a week

        (1 of 1 customers found this review helpful)

         
        5.0

        Self watering window boxes

        By Pennsylvania fan

        from Lansdale, pa

        About Me Avid Gardener

        Verified Buyer

        Pros

        • Drains Well
        • Durable And Enduring
        • Sturdy
        • Weather Resistant

        Cons

          Best Uses

          • Outdoor Plants

          Comments about 39" Self-Watering Windowbox:

          I just ordered my second set of self-watering boxes. The first ones graced our deck for close to a decade and still looked good despite the inevitable signs of aging .
          I expect this set to perform just as well . I am sorry that there aren't more color choices .. Like a blue or green ..

          (2 of 2 customers found this review helpful)

           
          4.0

          Close to perfect

          By Relentless1

          from Silver Spring, MD

          About Me Avid Gardener

          Verified Buyer

          Pros

          • Holding Capacity
          • Weather Resistant

          Cons

          • Difficult To Assemble
          • Heavy / Bulky
          • Ugly

          Best Uses

          • Outdoor Plants

          Comments about 39" Self-Watering Windowbox:

          This self watering window box does the job. I rarely have to add water to the reservoir, or even water the plants in the box. My plants thrived in these boxes and I plan to get more to replace all my coco lined planters. I just wish it came in a more attractive finish. Bronze is not a good description of the color, it's more of a dark dirt brown. A green finish would be nice. The mounting hardware and mounting directions are not particularly good. The brackets that are supposed to support the bottom are useless because they are way too short to mount the box on a deck railing. When the box is full of dirt it is heavy. When water is added is is very heavy and it really needs the bottom mounting brackets for support.

          (5 of 5 customers found this review helpful)

           
          5.0

          Love It!

          By Laurie

          from Milwaukee, WI

          About Me Avid Gardener

          Verified Buyer

          Pros

          • Attractive Design
          • Drains Well
          • Holding Capacity
          • Lightweight
          • Sturdy
          • Weather Resistant

          Cons

            Best Uses

            • Outdoor Plants
            • Window Decoration

            Comments about 39" Self-Watering Windowbox:

            Looks beautiful under my kitchen window. I am already thinking of what I can do to change it out for the seasons.

            (1 of 1 customers found this review helpful)

             
            4.0

            Great Boxes

            By ivymtns

            from Colorado Mtns at 9,600 feet

            About Me Avid Gardener

            Verified Reviewer

            Pros

            • Drains Well
            • Holding Capacity
            • Sturdy
            • Weather Resistant

            Cons

              Best Uses

                Comments about 39" Self-Watering Windowbox:

                This is my second box and I really like these. I have not used the hanging feature, I just set them on a railing or table. Wish they came in green. This is a TRUE self-watering planter and the little gauge and watering setup works very well. Didn't go 5 stars only because I haven't tried the hanging gear.

                (2 of 2 customers found this review helpful)

                 
                5.0

                Fabulous on our deck

                By English Gardener's Wife

                from Newington, CT

                About Me Avid Gardener

                Verified Buyer

                Pros

                • Attractive Design
                • Holding Capacity
                • Sturdy
                • Weather Resistant

                Cons

                  Best Uses

                  • Household Plants
                  • Outdoor Plants

                  Comments about 39" Self-Watering Windowbox:

                  We have six total hanging over the railings of our deck where they provide extra plant space without taking up floor space. The hubby questioned the price, but I love the quality, and I know they'll last. The supports are easy to assemble and hold full loaded boxes. Love these!

                  (2 of 3 customers found this review helpful)

                   
                  5.0

                  Window Boxes

                  By skooter

                  from East Wenatchee WA

                  About Me Avid Gardener

                  Verified Buyer

                  Pros

                  • Attractive Design
                  • Drains Well
                  • Holding Capacity
                  • Sturdy
                  • Weather Resistant

                  Cons

                    Best Uses

                    • Great Window Boxes
                    • Outdoor Plants
                    • Window Decoration

                    Comments about 39" Self-Watering Windowbox:

                    After buying two window boxes, attaching them to my house and planting them, I then ordered four more. After I had put all the soil I purchased from Gardener's in the new boxes, I had a party of four friends and served cocktails outside in my garden where everyone's chair faced the house and the window boxes. Then MANY colius and all sorts of shady plants were put in front of each person and they had their own box to plant. We had so much fun and everything was planted and I didn't have to do a thing!!!!!. Hurrah!!!

                    (6 of 6 customers found this review helpful)

                     
                    4.0

                    when they work, they are terrific

                    By pam

                    from baltimore, MD

                    About Me Avid Gardener

                    Verified Buyer

                    Pros

                    • Attractive Design
                    • Lightweight

                    Cons

                      Best Uses

                      • Outdoor Plants

                      Comments about 39" Self-Watering Windowbox:

                      I had 6 of these that I bought 8 years ago. They lasted well enough but 2 of them seemed to always leak from the bottom. I thought maybe I did something although I am very careful. And the water guages on 2 of them were iffy. I replaced 4 this year and same problem with one of them! already planted so I can't return. Plastic must be split at seam on bottom. frustrated.
                      BE SURE to fill with water BEFORE you plant to see if there are any leaks.

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                      How It Works

                      Product Instructions

                      Download instructions for 39" Self-Watering Windowbox as a PDF

                      Articles

                      • Beautiful, bountiful planters depend on good soil, fertilizer and careful watering. But to take your planters from standard to sensational, you need the right plants. Start with this simple rule: Combine plants with three different habits. In other words, thrillers, fillers and spillers.
                      • How to successfully grow plants in containers, indoors and out.
                      • Learn how to choose the right soil and fertilizer for whatever you want to grow. Our exclusive garden-tested soils and fertilizers are formulated to provide optimum growing conditions for your plants.

                      There are no special shipping restrictions or charges associated with this item. For detailed information about our delivery methods and charges, click here.

                      We're proud of the fact that this item is shipped to you directly from our warehouse in Vermont, by one of our 250 employee-owners. In-stock items are packed with care and shipped within the next business day to ensure prompt delivery to your home and garden!

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