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Petunias, geraniums, zinnias, nasturtiums, and begonias are good choices for main-theme flowers. Fill in with things like inch plant, ivy, euonymus, heather, or vinca, which will cascade over the edge of the box. Impatiens do well in shady locations. More subtle choices include coleus, heliotrope, and salvia.
How many flowers should I plant in a window box?
For a 2′ window box, use 2-3 geraniums, for a 3′ window box use 3-4 geraniums. 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.
What can I plant in window boxes now?
Plants for window boxes Strawberries. Erigeron. Spring bulbs. Chillies. Sempervivums. Herbs. Tomatoes. Annuals and tender perennials.
How many plants should be in a window box?
Traditional planting is when you allow enough room between plants that the planter looks full after 2 to 3 weeks of additional growth. Generally I would use 3 or maybe 4 plants in 10 or 12-inch planters, 4 to 6 plants in a 14 to 16-inch planter and Six to 8 plants in an 16 to 20-inch planter and so on.
What do you put in the bottom of a window box?
In addition to drilled holes, stones and gravel are essential to proper drainage of windowboxes. Put a two- to three-inch layer of pea gravel or pebbles in the bottom of the planter. This will allow water to filter through the soil and gravel before passing through the drilled holes.
Are petunias good for window boxes?
Trailing petunias are one of the most popular plants for window boxes. They grow best in a position that receives at least six hours of sunlight a day and they can tolerate hot temperatures and humidity. Petunias come in a wide range of colors including purple, pink, red, yellow and white.
How do you plant a beautiful window box?
Always make sure your window box has drainage holes. To aid drainage, place 2 inches of nonbiodegradable packing peanuts or old wine corks in the bottom of the box, and then cover with landscape fabric to prevent soil from seeping out. Next, fill the box halfway with potting soil, and add your plants.
What should you line a planter box with?
Line the entire planter with a sheet of plastic, trimming it so that it reaches but does not go over the rim. Staple the plastic all the way around the rim. Using a screwdriver or sharp stick, poke through the drilled drainage holes to let excess water drain out of the plastic liner.
What can I plant with impatiens in a window box?
In shade containers or flower borders, these make lovely companion plants for impatiens: Asparagus fern. Sweet potato vine. Coleus. Caladium. Begonia. Fuchsia. Elephant ear. Bacopa.
Are begonias good for window boxes?
Petunias, geraniums, zinnias, nasturtiums, and begonias are good choices for main-theme flowers. Fill in with things like inch plant, ivy, euonymus, heather, or vinca, which will cascade over the edge of the box. Window boxes look their best if they’re packed with plants!.
What flowers can I grow on my windowsill?
Flowers: If you want to grow plants for aroma and aesthetics rather than for sustenance, there are a wide variety of flowers that will thrive in a sunny windowsill. Common choices for indoor growing are hyacinths, daffodils, geraniums, cyclamens, and African violets.
Can you put perennials in window boxes?
If gardening isn’t your thing or if money is an issue, perennials are the perfect choice for window boxes. In the right climate and environment, they can survive through the winter and grow back the following spring. In climates with light frosts, your perennial choices may seem endless.
Can lavender be planted in a window box?
Lavender is particularly suitable as a balcony bloomer because the plant can cope well with sun and wind, and is available in sizes ranging from small enough for a window box through to larger specimens which can be displayed solo in a pot.
How do you arrange flowers in a flower box?
How to Arrange Flowers in a Planter Step 1: Choose your Plants: Annuals vs. Perennials. Step 2: Pick Location for Planter. Step 3: Plant your Focal Flower. Step 4: Add your Mid-Height Plants. Step 5: Add your Cascading Elements. Step 6: Water and Care for your Plants Through the Season.
Should you line flower boxes?
The best way to prevent deck planters from rotting is with a liner. Lining a wood planter prevents water and fungi from contacting the wood. Preventing rotting by separating that which is good for the plants, water and fungi from the wood.
Should you mulch window boxes?
Soil for Window Boxes Choosing a good soil mix will ensure your window box garden is a success. Try using mulch on top of your soil to retain moisture and provide warmth to young plants. A good bark mulch or small gravel will work fine in a window box.
What soil is best for window boxes?
The best Black Gold potting mixes for window boxes are Black Gold Moisture Supreme Container Mix, which holds moisture well for less watering, and Black Gold Waterhold Cocoblend, which also holds water well and is OMRI Listed for organic gardening.
Are pansies good for window boxes?
Pansies are an especially good choice because they require little maintenance, they thrive in sunlight and shade, and they come in a bounty of colors. Fragrant and vibrant, sweet peas grow best in cool conditions, and bush types are very suitable for window boxes. For warm climates, you have abundant choices.
Are marigolds good for window boxes?
Marigolds charm with their bright flowerheads that can be found in single or double varieties, ranging in color from yellow to a deep red, or even a double colored flower. 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.
Can You plant hydrangeas in window boxes?
Hydrangeas. Gardeners love mophead and lacecap hydrangeas in all colors ranging from green to white or pink, but a vivid pink or blue hydrangea blossom is the holy grail for many hydrangea aficionados. The macrophylla hydrangeas will deliver blue blooms for your shady window box under the right soil pH conditions.
What can you plant in a window box in the winter?
Try junipers, arborvitae, False cypress, Japanese yew, spruces, flowering heaths and heathers and boxwoods. Add flowers and pretty foliage for color. Pansies are generally hardy to zone 4 and rebloom in winter in zones 7 and higher, while violas are hardy in zones 3 to 9.
How do I keep my window box from drying out?
The soil in window boxes dries out quickly. To help retain moisture, mix in a soil amendment when you first fill it. Sphagnum peat moss is a good choice for an organic product that is sustainably harvested. Synthetic products are usually polymeric hydrogels, added to the soil as pellets or a powder.
