Petunias are popular florescence plants due to their fragrance and attractive blooms . One interesting salmagundi is the Black Petunia , with its black , sometimes tinged with purple , flush that provide a great addition to landscape and are even grown as houseplant .
To take care of black petunia plant , identify them in areas where they can receive at least 5 to 6 hour of sun every day , then water weekly . Soil temperature should range from 55 ° F to 65 ° degree Fahrenheit with respectable drain .
Apply a balanced or timed - release fertiliser at the time of planting before using a liquid fertilizer . graft them in the spring season when originate by extension .
This clause hash out everything you need to roll in the hay about growing and charter fear of black Petunia , their physical attribute , classifiable characteristic , and other interesting info . Read further for more !
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What Is Black Petunia?
Black Petunias , as the name suggest , are a variety of garden petunias ( Petunia hybrida ) with opprobrious peak . It is a democratic bedding plant used for mass planting color borders , patios , campaign entryways , and raised plantation owner beds , as well as houseplant maturate in hang hoop and windowpane boxes .
Varieties of Black Petunia Plant
Where to Plant Black Petunia Plant?
Black Petunias can be implant both in containers or for mass in gardens . They should be identify in a location where they can receive a good amount of sunlight .
normally , they can brook a little tincture , but the more shady the location is , the few flowers they ’ll be able to produce . When constitute as soil cover , each industrial plant should be spaced 12 to 18 inches asunder .
When to Plant Black Petunia Plant?
broadly , fatal petunias can be planted once winter frost end . However , it reckon on geographical emplacement . Here are the best planting time depending on the U.S. region you live in :
Take note that gardeners from southerly areas should provide auspices to the flora against rime or reserve them to winter indoors if they ’re planted in container .
How to Take Care of Black Petunia Plants?
Lighting
contraband petunia call for at least 5 to 6 hour of sunlight a day . They perform even intimately when they ’re site under the full sun exposure for the intact twenty-four hours .
Be wary of supernumerary sunshine , however , since their leaf can be damaged easily . Although fatal Petunia can pull through fond shade , their outgrowth may be stunted and become lank .
Water
Generally , petunia are heat energy - tolerant , but since mordant genus Petunia , in particular , are a spreading mixed bag , they require frequent watering , especially during periods of extreme heating , drought , and winter .
For garden plants , watering once a week should suffice . One tip is to leave sprinkler hoses on long enough until the soil is souse with 6 to 8 inches of deep piddle .
For container plants , they should be watered day by day , but this depends on their size of it and the amount of soil they employ .
Temperature and Humidity
Soil temperature should be about 60 ° F to 75 ° F during the Clarence Day and 55 ° F to 65 ° F during nighttime . The temperature should not surpass 75 ° F , or else they will be tall and leggy , which is not an ideal appearance for disastrous genus Petunia .
The plants are not special to a specific proportional humidness content , but for speedy , consistent sprouting , high relative humidity ( near 100 % ) will provide the best termination . This can be achieved by misting the industrial plant now and then .
Soil
This industrial plant does not ask nutritious - fat soil , but it must be moderately productive , evenly moist , and well - drained . blackened petunias prefer a dirt pH of 6.0 to 7.0 and can tolerate alkaline soil , but excessive alkalinity may stunt plant growth , so make trusted to do a soil test before planting .
Improve garden soil by spreading 2 to 3 inches thick of organic affair on the upper surface . Afterward , comprise it 8 to 10 inches into the grease using a garden crotch or rototiller . This helps improve drainage , give up the soil , and increase the ability to hold moisture , low-cal , and food .
Fertilizer
When plant in container such as in hanging baskets and window boxes , apply a time - release fertilizer into the plant ’s dirt , then a liquified fertilizer targeted towards bloom plant life every week after organization .
When planting in a garden , apply a balanced fertilizer , such as a 12 - 12 - 12 , 10 - 10 - 10 , or 8 - 8 - 8 into the soil at a proportion of 2 dog pound every 100 substantial feet of country , or follow the ware recording label of the fertilizer . Once they have amply established , use swimming plant food once every 7 to 10 day .
Potting and Repotting
Any container can work — whether they are hang baskets , window boxes , or simple porous planter . It does not matter as long as the territory used is well - drain . They can also be planted on the ground when used as bedding plants .
When repotting , the newfangled container must have holes for drainage to transfer any excess water . rather , it should be glazed or plastic alternatively of terra cotta to better maintain moisture content .
append a slow - release plant food to the land of the new container , such as a 5 - 10 - 15 or 6 - 12 - 12 . Transplant the petunias in the natural spring time of year .
How to Grow Black Petunia? A Step-by-Step Guide
How to Propagate a Black Petunia Plant?
you may diffuse the plant using stem thinning . This is done by using clean , sterilized scissor grip to cut stem leaves , douse them in rooting hormone , then direct them in a container filled with potting mix .
They can also grow in a jar or vase replete with piss as long as the top node of the cuttings remain bring out to air while the residue is submerged . After they have grown ascendant , graft them into a raw container .
How to Prune a Black Petunia Plant?
Prune stem that look “ leggy , ” specifically about 1 to 2 inches back past your desired length . you could pinch this branch if they are tender enough or employ scissors grip if necessary . After pinching or pruning , fecundate and irrigate the plants to promote new , robust development .
If potential , you should also “ deadhead ” the plant life by throw away any fleet flowers to promote flower and enhance overall appearance . This cognitive operation is best done for black petunias grown in container .
Common Problem With Black Petunia Plant
Frequently Asked Questions
Are Black Petunias Rare?
sinister Petunia are raresince they are also quite difficult to multiply . They are seldom available commercially as seeds , which is why transplanting is a more plebeian method .
What Plants Go With Black Petunias?
Black petunias contrast incredibly with brightly - colored flowers , specifically those that are white , pinkish , atomic number 79 , or lavender in color . For flower industrial plant , you could use yellow daisies and African plants . To provide attractive leafage , you’re able to apply dusty Henry Valentine Miller and areca palms .
Are Black Petunia Perennials?
smuggled genus Petunia are often believe perennials , but they can also be yearbook depending on the hardiness zone of where you plant them .
Growing Petunias
Petunia
Yard and Garden : arise Petunias
