If you live in a warm climate where impatiens are perennial plant the seeds in late winter or in spring.
Planting impatiens in window boxes.
Planting time the best time to plant impatiens is after the last spring frost.
Another thing to consider when determining which types of plants to place in a window box is the time of year and location.
See your local frost dates.
Try planting zinnias petunias and geraniums during the summer and mums pansies and purple fountain grass in the fall for seasonal appeal.
Rest the box on the supports and screw the bottom to the brackets.
Fill in gaps with cascading ivy or vinca for a whimsical touch.
Plant impatiens transplants after the last spring frost.
April is the perfect time to commence planting when the danger of frost or chilly nights have passed and the soil temperature is warming up.
Plants quickly respond with a new flush of growth and are more compact and covered with blooms that can take you to the first frost.
If yours do pinch them back by 4 or 5 inches.
Impatiens prefer humus rich moist and well drained soil.
Make sure the plants have some shelter from the wind.
Plant directly in the container.
Use steel brackets every 18 inches or so and fasten them into the siding or masonry with the proper screws.
Always mount the box before you plant.
The closer impatiens plants are the taller they will grow so space accordingly impatiens.
The lush foliage of sweet potato vine comes in many colors making it a surefire win for any window.
Planting and caring for your window box.
Feed every two weeks with a 20 20 20 fertilizer.
Traditional impatiens often grow tall and leggy by midsummer.
You have three options for planting your window box.