How many petunias are in a window box?

Asked By: Antoliano Gilete | Last Updated: 13th March, 2020
Category: home and garden landscaping
4.8/5 (50 Views . 33 Votes)
For your reference, this tutorial's window box is about 4' long, 5” wide, and 6” deep. We planted four wave petunias, four geraniums, one creeping Jenny, and one sweet potato vine, all in 4” pots, for a total of ten plants.

Click to see full answer


Likewise, how many plants should be in a window box?

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. With the traditional planting, you need to have a bit of patience to get a completely full planter.

Additionally, what should I plant in my window box? Petunias, geraniums, zinnias, nasturtiums, and begonias are good choices for main-theme flowers. Fill in with things like wandering jew, 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.

Keeping this in consideration, how many impatiens can you plant in a window box?

The most common variety in the United States, Impatiens walleriana, is easy to maintain, grows well in containers, and comes in a wide range of colors like pink, red, purple, orange, and yellow. Available on Burpee; $6.29 for 30 seeds and $25.99 for 12 plants.

Why is the color of plant pots important?

These colors absorb heat and will get very hot, which can damage tender roots. Light colored containers reflect the heat and keep the roots cool.

37 Related Question Answers Found

How much soil is needed for a window box?

Fill your window box about half full with the potting mix, and add water to moisten the mix if it's dry. Do not use regular garden soil. Add the plants. Plan to set plants about 2 to 5 inches apart in the box, depending on their mature size.

How do you make a window box for a planter?

Table of Contents
  1. Step 1: Measure Accurately.
  2. Step 2: Make a Bracket Template.
  3. Step 3: Select the Wood.
  4. Step 4: Cut and Trim Side Boards.
  5. Step 5: Bevel Corners.
  6. Step 6: Add Slots.
  7. Step 7: Cut, Add and Secure End Pieces.
  8. Step 8: Measure, Cut and Secure the Bottom Piece.

Can you grow roses in a window box?

You can grow just about any roses in containers, window boxes and hanging baskets. Just about any rose can be grown long term in containers. There are roses ideally suited to containers, including miniature roses and polyanthas. Even shrub roses, rose standards, and small climbers can thrive in containers.

What can you put in a window box besides flowers?


Ways to Decorate Window Boxes Without Flowers
  • Fake Flowers.
  • Fairy Garden.
  • Rockscapes.
  • Succulents.
  • Bird Boxes.
  • Seasonal Decor.

What can I plant in a window box in full sun?

Full Sun Plants for a Window Box
  • Variegated Vinca Vine. Every window box needs a plant or two that falls over the edge, draping the sides of the window box with leafy stems.
  • Thyme. Thyme is a full sun herb plant that does very well in small containers and can be used as an edge of the window box option.
  • Coral Bells.
  • Coleus.
  • Heliotrope.

How do you care for potted impatiens?

Care
  1. The most important thing to remember about impatiens plants is to water them regularly. Keep them moist, but not too wet. If the plants dry out, they will lose their leaves. If you over-water the plants, this could encourage fungal diseases.
  2. Remember container plants will need more water.

How often do you water potted impatiens?

Impatiens plants in containers will need watering daily and watered twice a day when temperatures rise above 85 F. (29 C.). Impatiens flowers do best if fertilized regularly. Use water soluble fertilizer on your impatiens every two weeks through spring and summer.

How do you plant geraniums in a window box?

Planting a window box is basically the same as planting in any other container.
  1. Cover the drainage holes with stones to prevent soil from falling out, but place them so they still allow water to drain.
  2. Arrange plants in the box and plant.
  3. Water the window box regularly.
  4. Things You Will Need.
  5. Tip.
  6. Warning.
  7. References (2)

Can you plant perennials in window boxes?


The Best Perennials to Plant in Window Boxes. Ivy geranium, asters, dianthus, miniature roses, salvia and various spring bulbs are excellent perennial flower choices to plant in window boxes. Herbs like lavender, sage, rosemary and even chives can also make great additions to window boxes.

What plants do best in full sun?

Some good full sun border plants that are well suited to most areas include:
  • butterfly weed.
  • lavender.
  • sedum.
  • daylily.
  • verbena.
  • bee balm.
  • aster.
  • lamb's ear.

What plants grow in a planter box?

Good fillers include salvias, verbenas, ornamental peppers, and wax begonias, as well as foliage plants like parsley or licorice plants. You may also want to include a plant for height, such as purple fountain grass. Add a trellis or pillar to a container and you can use a vine to add height to the composition.

Can you overwater petunias?

With petunias, keep them on the dry side. “Like pansies,” she says, “petunias must never be allowed to wilt, either from under- or overwatering. Once they wilt, it's all over.” She advises providing good soil conditions, including preparation with organic materials and ample mulching.

Why are my petunias dying?

Wilting petunia flowers can also be a sign of too much water. Always check the soil around your petunias before watering – if the soil is still damp, don't water it. Lack of sun can also lead to the wilting of petunias. Petunias prefer full sun and will produce the most flowers if they get it.

Why are my hanging basket flowers dying?


Watering is one of the hardest things to do for basket or container gardening. Too much water leads to root rot, while too little will leave the plant dehydrated. In both these cases, the plant will wilt and die. Plants in baskets need to be watered more frequently than gardens.

How often should petunias in pots be watered?

Care
  1. Petunias are tolerant of heat so you don't have to water them regularly. A thorough watering once a week should be sufficient (unless there are prolonged periods of drought in your area).
  2. Fertilize your plants monthly to ensure good growth.
  3. Remove faded/dead flowers to prolong blooming.

Are petunias good for window boxes?

Milliflora Petunias
While this may seem to be too small to make a visual impact in a window box, they are actually a good choice for edging containers. These flowers will soften the edges of your box while still allowing it to retain its classic shape rather than mounding up and over it as spreading petunias will do.