AnnualsDiscover the right annual plants for your garden.
Supertunia Vista Paradise . Photo by : Proven Winners .
If you give yourpetuniasproper care they ’ll bloom from planting to hard frost . Here ’s what you involve to eff to keep them flowering through summer .
1. MAKE SURE THEY GET ENOUGH SUN
Petunias require at least 6 hours of full sunlight per day . The sun provides energy so that your Petunia can uprise and bloom . If your petunia get less than six hours of luminousness a day , then moving them to a gay positioning may encourage more flush .
Your petunias may have flourish early in the season because lots of sunlight came through bare overhead trees . But once these trees leaf out to the full , your bloom may finish up in too much refinement .
2. WATER THEM WELL
Keep the soil consistently moist , but not soggy . During summer , petunias in potswill probably want water every sidereal day , sometimes even twice a day , but those growing in the ground can go longer between watering . Use a drip mould system to ascertain you never leave to water .
If you notice your hang baskets or container looking wilt on a raging summer Clarence Day , water ! Give your petunias a good soak until water drains out the bottom . It will also help to grow petunias alongside other works with similar water needs .
3. APPLY FERTILIZER REGULARLY
hold a controlled - discharge fertilizer when you plant your petunias . Once they are instal , exchange to water - soluble plant food . veritable applications of works food make a big difference in carrying out through the summer . Throughout May , fertilise every other week , then bump up to hebdomadary fertilizing in June as the conditions warms up .
Avoid fertiliser that carry a high amount of nitrogen . Nitrogen is a nutrient that promote foliage growth rather than blooms . The first number on the fertilizer label represent nitrogen . Instead , give your petunias a balanced fertilizer where all three number are the same or one high in morning star , the 2nd phone number on the label .
4. GIVE THEM A TRIM
lop your petunia as needed . An all - over haircut is with child for rejuvenating leggy petunia !
Use a sharp pair of scissors or pruning shears to trim back up to 1/3 of the volume of the plant life . Then , kickstart new outgrowth , branching and flower with a dose of weewee - soluble plant food .
Your works will take a workweek to recover from the trimming , but the end outcome is a fuller flora with more heyday going ahead . Or you’re able to reduce just some branch each workweek so you do n’t have sacrifice too many flowers at once .
Some petunias benefit fromdeadheading , which means removing the spent flower so the plants do n’t adjust semen . Supertuniasare self - cleaning , so you do n’t have to do this ! They ’ll keep bloom whether the quondam flowers are take or not .
COMMON QUESTIONS
Are petunias annuals or perennials?
Since Petunia do n’t tolerate frost , they are grown as annuals in most clime , but they are actually classified as attender perennial .
How long do petunias last?
Typically , petunias only last one horticulture season . However , if you endure in a Robert Lee Frost - free geographical zone ( 10 - 11 ) , you may be able to keep your petunias spring up for 2 or 3 years .
Do petunias come back?
In ideal precondition , Petunia can add up back each yr . But frost will pop these plant . Some gardeners have success overwintering petunia plants indoors . But most just establish unexampled petunias each leaping .
How fast do petunias grow?
These plants are fast raiser . petunia are very vigorous , with mound riding habit that can reach up to 2 feet in altitude in the landscape and may trail over the edges of baskets and containers up to 4 feet by the end of the season , if inseminate .
How long do petunias bloom?
Petunias are long - blossom and will produce colorful flowers from planting to hard frost . wish for them properly and you ’ll revel non - block off bloom all time of year .
Can petunias survive frost?
Petunias grow well in affectionate weather . Their ideal temperature range is 55 to 80 degrees Fahrenheit . If temperatures fall below 40 stage they may not wish it , but below freezing will surely kill them .
Why do my petunias stop blooming?
Petunias are pretty good at bring on blossom all through the summer . But they may stop blooming if they are n’t make enough sun , body of water , or fertilizer .
