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in : Pots & containers: Window boxes
1Place a layer of broken terracotta pot crocks in the bottom of the window box. Three-quarters fill the window box with compost.
2Make the pelargonium the focal point by placing it centrally. Surround it with nemesia but make sure they have room to spread over the summer.
3Position the box on a sunny windowsill, bearing in mind the nemesia will reach 30cm tall once established. Be ready to cover it if frost is forecast overnight.