Ideas for Cool-Weather Windowboxes
- Excerpted from How to Grow Practically Everything
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When your summer flowers are spent, and window displays are looking bedraggled and dull, give them a quick makeover with colorful evergreens that will last the course through the coldest winter. This combination of conifers, shrubs, grasses, and herbs is guaranteed to perform for many months.
When to Start: Early autumn
At Its Best: Early autumn to spring
Time to Complete: 1 1/2 hours
- large windowbox
- ericaceous potting mix
- multipurpose potting mix
- broken plastic pieces
- carex oshimensis 'Evergold'
- cupressus macrocarpa 'Goldcrest'
- Golden thyme, Thymus pulegioides 'Archer's Gold'
- Leucothoe Scarletta
- stipa tenuissima
- Japanese tassel fern, Polystichum polyblepharum
- winter-flowering pansies, Imperial Antique Shades
- Cupressus macrocarpa 'Goldcrest'
- Grape hyacinth, Muscari
- Narcissus 'Topolino'
Buy a frost-resistant windowbox — this one is made from terracotta, but a plastic imitation would be best if you live in a cold, exposed area that is prone to frosts. Check that your plants fit comfortably in the container.
Soak the Plants
Water each plant well, either with a watering can without a rose, or by dunking the plants in a bucket of water. Allow the bubbles to dissipate, then remove the pots and allow them to drain.
Provide Good Drainage
Break up a plastic plant tray and add the pieces to the bottom of the windowbox. Then add a layer of ericaceous potting mix — the Leucothoe and Gaultheria are both acid-loving plants and do best in this type of soil.
Excerpted from How to Grow Practically Everything
© 2010 Dorling Kindersley Limited
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