Things Needed
The petunia is a garden staple fibre for its people of color and long - live flower . Every yr , 600 to 1,000 fresh assortment are developed . There are basically two type ofpetunias : upright and tracking . The difference is that erect petunia can reach heights of 12 inch or more . Trailing petunias only reach heights of 4 to 6 inches , yet they track 2 to 3 feet . While most mass use the term trailing petunias , mounting , footing cover and spreading petunias are one and the same . Thanks to merchandising efforts , hybrids like Wave , Surfina and Kirin have become public figure synonymous with chase genus Petunia .
Step 1
Buy your drag petunia from a garden center or start them from germ . Make certain you select a variety that will only grow to a top of 4 to 6 inches and trail 2 to 3 feet . Read the labels on the plant . It is promiscuous to get distract by the color and dish of the flush .
Step 2
Select a placement for your petunias that pick up at least 4 to 6 hours of sunlight . Full sunlight is best . Although often used in containers or hanging pots , trailing petunias add color and beauty to a hillside or retain bulwark . Most train petunias get flowers that are 2 inches in diameter . At their peak , their light-green leaves are barely obtrusive .
Step 3
Cultivate the soil . Turn the land over and add peat moss , well - rotted leaf compost or manure if you are planting petunias in the undercoat . For hang baskets and containers , commix potting soil , peat moss and perlite for a medium that bring home the bacon good drainage . Petunias need consistent lachrymation . Most flow baskets and containers will require day-after-day watering .
Step 4
implant the petunias watch recommended spacing . lay the plants too close could lead in them becoming root bound which will shorten their efflorescence time of year and health . transfer any spent or faded flowers . Some growers recommend cutting back fresh - planted petunia so they well broadcast quicker and establish their root systems more rapidly .
Step 5
Fertilizer once a week with a well - balanced 8 - 8 - 8 , 10 - 10 - 10 or 20 - 20 - 20 . The University of Minnesota Extension recommends a pace of 2 lbs . per 100 square feet . A liquid fertilizer works well for hanging pots and containers .
Tip
Deadhead threefold blooms . unmarried bloom are self - clean and do not require deadheading . When plant trailing petunias in containers or hanging baskets , angle the plant at 45 point to encourage cascade .
Warning
Do not plant petunias outdoors until the peril of frost has passed .
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