Lobelia Plant Window Box. Of course you should only place your orchids in outdoor window boxes if the temperatures are suitable usually between 50 and 85 degrees Fahrenheit. How Many Plants Can I Put in a Window Box.
The number of plants depends on the size of the planter. Enchanting Blue Heaven will drape in graceful profusion over the sides of hanging baskets window boxes or patio containers or light up a walkway with its glowing blue blossoms. Blue Lobelia Blue Lobelias are a type of cascading flowers which spread like waterfalls when placed in containers and window boxes.
It has however been used for medicinal purposes for many.
Some good varieties to choose from include. In between the main plants put in a filler plant- something that stays lower and more compact such as lobelia calibrachoa compact verbenas flowering vinca or petunias. Lobelias are usually thought of as shade plants but this gorgeous variety will also perform beautifully in sun where the summers are not too hot. 04052014 Marigolds can be used in the background of the window box planter planted two to three deep to give the box as much color and depth as possible.