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Window and Flower Boxes

Windows with flower boxes actually belong to the category of "facade greening" (more precisely, a selective partial greening)! Sometimes they are the only opportunity to bring some greenery onto a facade, e.g. on walls with insulation or when there is no other possibility to grow plants from below. Here we'll show you examples of successful greening with window boxes, hanging flowers (in baskets/pots), and the like. Below you'll find detailed photos for anchoring and securing planters, as well as further examples for the combination of flower boxes and large-area facade greenery.

Timber frame construction with flower boxes in Schleswig-Holstein

Material and Planting

Window boxes are made of sheet metal (zinc), stainless steel, or special woods, and today most of all, synthetic material/plastic. Ingenious constructions for water storage and fertilisation-- even automated greening systems-- can be found today. Besides the usual geraniums, many other plants found in your regional flower stores and garden centres make lovely window box flowers.

Flower box on a modern house
Lushly greened flower box

Does Every Window Have its Box ?

Small arrangements usually aren't impressive when designing window boxes, because a single flower box on a big wall usually gets lost. Aesthetically, it is better to install several-- at least all windows on one storey/level. For a unified appearance it often makes sense to simply fit all the windows of a facade with flower boxes. 

Greening of windows in Binz / Rügen / Mecklenburg-Hither Pomerania
Geraniums in flowerboxes in Sellin / Rügen / Mecklenburg-Hither Pomerania
Flower boxes in Altenburg / Thuringia
Row of flower boxes in Baabe / Rügen / Mecklenburg-Hither Pomerania
Flower boxes in Wernigerode / Saxony-Anhalt

Fastening and Securing

Flower boxes are usually put on an existing window sill. If a sill is not available, rails are placed on the outer wall (bricked in), brackets screwed on, or protective/holding lattices can be installed.

During a storm, these window boxes can be swept away, especially if they are old or dried out (and therefore light). Various devices help to prevent this: horizontal protective rods screwed onto the wall, protective boards, or sturdy protective grids.

Window greening in Taucha / Saxony
Flower boxes on windowsills
Flower box on windowsill
Flower boxes on supports (brackets)
Holders for flower boxes
Protection board for flower boxes

Flower Boxes Within a Wall Greening

Flower boxes can also be combined with a facade greening! For example, they can act as a dash of colour on a vine-covered wall, or on a higher floor they can supplement an underlying wall greening-- if this is designed for only over one floor (for reasons of regular care and low maintenance costs).

 

 

Flower box amidst grapevine
Hanging geraniums over wisteria on town hall in Lichtenfels / Bavaria
Flower boxes between Bosten Ivy
Flower boxes amidst thicket creeper with autumn coloring, Town hall of Quedlinburg / Saxony-Anhalt
Old milk jugs as plant pots
Hanging flower 'box' (basket)

Alternative Flower Boxes

With their different designs and unusual materials, flowered window boxes can become head-turners... especially if they are made of ceramic or have special protective grating, or if they are hanging with their vibrant color for pedestrians... it can stop them in their tracks!

Planted boxes on walled-in rails with safety lattice, Meißen / Saxony
Flower box made of clay