Hang Window Box on Brick or Concrete Surfaces

Attach a Window Box on Brick/Concrete

Window Boxes are so poipular as we all want to increase curb appeal. Standing up to garden can be done! Using a level, mark the location on the brick sill or concrete wall where you want to mount the Gutter Garden(s) as a raised bed .

  • Take into consideration the amount of sun you will get at that location when selecting plants. Put it in a place where it will be easy for you to water, dead-head and where drainage will not damage items below. 
    Stand Up gardening with a window box on concrete sill

    Window Box on concrete or mortar sill

Carefully mark where the back holes on the planter are on to the surface where you want to hang them. The enclosed tap-cons are the only really adequate screws to use on concrete or brick walls. Two end holes are the most important and need the longer ( 1 ¾” tap-con screws.  The other, shorter screws ( 1 ¼ “) can be spaced every 8-10 inches. Ideally another person is useful to hold the planter in place when making markings for the holes…or you may want to use tape or some kind of strap.  Measure twice and drill once. I often slightly begin drilling holes so I can see that they are lining up with each other while remaining level. The planter itself will cover any miss-drilled holes!

Stand Up and garden on Brick house

Mounted on Brick

Drill ‘pilot holes’ using the special masonry drill bit with a hammer drill to complete this task. Before I bought my own, I would rent one and the drill bits are generally available at the rental place. Drill the holes at least ¼ inch deeper than length of the screw itself.  Use a can of compressed air (the kind w/ the red straw that lets you blow off dust from electronics) to blow out the concrete dust. It is very important that the hole is drilled longer than the screw you are using…so perhaps make a mark on that red straw to be sure the holes are deep enough.

Accurately drilling the holes is the most tedious part, but once the holes are lined up and the screws are tightly in, they will never come out! Use the tap-cons included with your purchase for a very secure raised bed gardens. You’ll receive enough tap-cons and washers to secure your planter/ window box to any type of masonry or brick.

Window Box  hardware for Brick or masonry

Window boxes on Brick need these screws and a washer.

Enclosed are brackets to install with planters longer than 36 inches while you are putting in the screws.  Hook it  on to the front edge and placing the screw into the back hole of the bracket and then into the pre-drilled hole in the concrete surface. The brackets should be approx. 20-22 inches from each end. These brackets will help keep the integrity of the shape because when the planter is full of wet soil, it may tend to splay/bulge.

How To Add Plants

Brick house. Mortar sill. Happy person!

Brick house. Mortar sill. Happy person!

Each foot length of planter requires approx. 3 quarts of POTTING MIX for a 6” wide planter and over 6 quarts per foot for the 8” wide Gutter Gardens. Do not use topsoil or garden soil. Put in about two inches of good quality potting mix (the best ones already have moisture control and plant food). Level it and water it thoroughly. Add another 2 inches and repeat…being sure that the soil is fairly saturated. If you are going to install an existing plant, now may be the time to begin to plant them. You can insert potting mix up to bottom of the back holes. Consider leaving a little room and put pre-moistened mulch around the plants to help keep the moisture in. 

If you are growing from seed, follow the directions on the packet. If planting seed, be sure the planter is completely full of potting mix (up to the bottom of the back holes) that has been completely saturated…this will give you a level start and provide maximum room for root growth.

Helpful Raised Bed Gardening Hints:

  • Use a spout watering can to direct the water where it needs to go.
  • For a 6” wide planter, select the small six-pack of plants…up to a 4” nursery pot. For an 8” wide planter, you may select up to a 6” nursery pot. Go ahead and crowd them together. They are annuals and will find a way to survive the entire season!
  • After about 2 months, begin using water soluble plant food each time you water.
  • If, after a hard rain,  the raised bed planter looks like a swamp, take a pin or needle and punch up from the bottom holes. Sometimes the fine soil materials clog the  drainage holes.

Detailed directions come with your purchase!

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