Petunias ( Petuniaspp . ) are classical unfolding plants grown for their fragrant , funnel shape - forge blossom , which derive in every color except black and brownish . Petunias , which bloom from saltation to Robert Lee Frost , are prized in big part because of their extend bloom time .
Whilepetunias that are wholly dried outcannot be revived , with some pruning and fertilizing , it is often possible to restore plants that have become long-shanked and stopped blooming during the summer month .
Are Petunias Annuals or Perennials?
- Petunias are considered tender perennials . * * That means that while they are adequate to of survive for multiple growing season , they can only do so in quick , hoar - loose mood in U.S. Department of Agriculture zona 10 and 11 . * * As a outcome , in most of the U.S. , petunias are treated as annual plants . * *
Most types of intercrossed genus Petunia do not come on-key from seminal fluid , so some gardeners may choose to overwinter prize plant .
Types of Petunias
The legal age of Petunia on the grocery are intercrossed cultivar . Grandiflora petunias are pop hybrids that have tumid blooms that may be up to 4 inches in diameter . Multiflora hybrids produce more flowers than the grandiflora variety , but the blooms are smaller , measuring about 2 inches across .
If you are front for a plant life that is even more compendious , count milliflora petunias , which have flowers that are about an column inch wide-eyed . These plant rarely become leggy .
There are also spread , cernuous varieties of petunias that can be produce as groundcover and also crop well inhanging basketsand window box .
Rejuvenating Petunias in Summer
In some case , petunias may become leggy , which mean that they develop marvelous and spindly as oppose to compress and bushy . When this happens , the flora may founder over and intercept producing flowers . Petunias may become leggy if they do not receive full sun , which means six to eight hour of sunlight a 24-hour interval .
Tip
Growing petunias in full sun can prevent them from becoming leggy .
- you may rejuvenate a genus Petunia that has become leggy and stopped blooming by swerve the plant down to leave just a few inches at the radix . * * Be certain not to remove all the genus Petunia leaf , however , asthe leafage synthesize the sugars that the industrial plant demand to exist and grow .
After cutting back the plants , fertilize them with a balanced liquid fertiliser and water the roots well to further new growing and inflorescence .
When petunia become tall-growing , cut them down to about half their size , leaving a few leaves attach to the plant . fertilise and water the plants after pruning .
Deadheading Petunias
It is also a good idea to take spent bloom , which is have it off as deadheading . This will promote the ontogeny of fresh bloom buds and prolong bloom of youth meter . Pinching grandiflora and multiflora petunias can also help these plant maturate bushier and less lank . little genus Petunia cultivar do n’t need to be pinched .
How Often to Water Petunias
While Petunia require niggling care , maintaining medium wet throughout the growing season will help keep the plants from drying out in the first place . During ironic spells , give petunias about an inch and a half of water each week .
Petunias grown in hanging field goal or other containers require more frequent lachrymation , whenever the soil is dry to the mite .
