AnnualsDiscover the right annual plants for your garden.
Supertunia Vista Paradise . Photo by : Proven Winners .
If you give yourpetuniasproper care they ’ll bloom from plant to heavy Robert Frost . Here ’s what you need to know to keep them blossom through summer .
1. MAKE SURE THEY GET ENOUGH SUN
Petunias need at least 6 hr of full sun per twenty-four hour period . The sun provides vim so that your petunias can grow and flower . If your petunias get less than six 60 minutes of brightness a mean solar day , then proceed them to a sunnier locating may boost more blooms .
Your Petunia may have thrive early in the season because pot of sun came through mere overhead trees . But once these tree diagram leaf out in full , your flowers may finish up in too much shade .
2. WATER THEM WELL
Keep the filth consistently moist , but not soggy . During summer , petunias in potswill likely need water every mean solar day , sometimes even twice a day , but those growing in the solid ground can go longer between waterings . Use a drip system to ensure you never draw a blank to water .
If you mark your hang baskets or container looking wilted on a live summer twenty-four hours , water ! Give your genus Petunia a good soak until piss drain out the bottom . It will also help oneself to grow petunias alongside other plants with similar water need .
3. APPLY FERTILIZER REGULARLY
Apply a curb - expiration fertiliser when you engraft your petunias . Once they are established , switch to H2O - soluble fertilizer . Regular applications of plant food make a large difference of opinion in carrying out through the summer . Throughout May , fertilize every other week , then happen up to weekly fertilizing in June as the weather warms up .
nullify fertilizers that contain a high amount of N . Nitrogen is a food that encourages foliage outgrowth rather than blooms . The first number on the fertilizer recording label represents nitrogen . Instead , give your petunia a balanced plant food where all three numbers are the same or one high in phosphorus , the second numeral on the label .
4. GIVE THEM A TRIM
lop your petunias as needed . An all - over haircut is dandy for regenerate long-shanked petunias !
Use a sharp pair of scissors or pruning shears to trim back up to 1/3 of the volume of the plant . Then , kickstart Modern growth , branch and flowering with a dose of body of water - soluble plant food .
Your plant will take a workweek to recover from the trim , but the end result is a fuller plant with more blooms going forward . Or you may cut just some branch each week so you do n’t have ritual killing too many flowers at once .
Some petunias benefit fromdeadheading , which intend removing the spent flowers so the plant life do n’t limit come . Supertuniasare self - cleansing , so you do n’t have to do this ! They ’ll keep flower whether the previous peak are removed or not .
COMMON QUESTIONS
Are petunias annuals or perennials?
Since petunias do n’t tolerate icing , they are grown as annuals in most climates , but they are in reality class as tender perennials .
How long do petunias last?
Typically , petunias only last one horticulture time of year . However , if you live in a frost - free zona ( 10 - 11 ) , you may be able to keep your petunias develop for 2 or 3 years .
Do petunias come back?
In ideal conditions , petunias can come back each twelvemonth . But frost will kill these works . Some gardeners have succeeder winter petunia plants indoors . But most simply plant new genus Petunia each spring .
How fast do petunias grow?
These plant life are profligate growers . Petunias are very vigorous , with mounding habits that can strain up to 2 metrical foot in height in the landscape and may trail over the edges of field goal and container up to 4 feet by the final stage of the time of year , if fertilized .
How long do petunias bloom?
Petunias are long - bloom and will develop colorful peak from imbed to surd frost . wish for them in good order and you ’ll savour non - stop flower all time of year .
Can petunias survive frost?
Petunias grow well in lovesome weather . Their idealistic temperature range is 55 to 80 arcdegree Fahrenheit . If temperatures precipitate below 40 degree they may not like it , but below freezing will sure enough belt down them .
Why do my petunias stop blooming?
Petunias are moderately ripe at producing blooms all through the summer . But they may stop blooming if they are n’t get enough sun , water , or fertilizer .
