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Phaseolus Coccineus [ FAZ - ee - Buckeye State - lus , kok - SIN - ee - us ] is a twining perennial climbing plant species of the class Fabaceae , commonly know as Leguminosae category .
aboriginal to the mountainous regions of Central America and Mexico , the plant is tell because of its multicolored seeds and scarlet flushed - colored flower .

The plant is widely cultivated in Southern America as well .
Phaseolus is a Latin name for bonce and Coccineus intend scarlet , hence the name vermilion bean .
It differ from the Phaseolus vulgaris common noodle ( P. vulgaris ) in several regard : the cotyledons stay in the ground during germination , and the plant is a recurrent vine with tuberous origin ( though it is commonly treated as an annual ) .
Runner noodle ( British terminal figure ) is essentially the same thing as a pole bean ( American term ) in both do essentially the same matter , namely , rise and produce edible beans and comestible unseasoned leaves .
You may also hear it call by its vulgar name include :
Phaseolus Coccineus Care
Size & Growth
P. Coccineus plants grow at high pinnacle than the uncouth mixed bag of bean .
Open wooded , grassy areas , steep slope , edges of a swarm forest , and sides of stream beds are the lifelike habitats of the plant .
Phaseolus Coccineusvines grow rapidly ; they can well grow up to 8 ’ – 12 ’ feet summit on atrellisin a exclusive time of year .
Flowering and Fragrance
Phaseolus Coccineus unremarkably starts to flower after about 40 to 60 days of sowing the seed .
Since it needs tenacious - day conditions to blossom , the flora blooms well in temperate regions where the temperature is ideal .
The flower time bug out from June and lasts till October .
Phaseolus Coccineus produces flowers in abundant measure , even during the hot weather and flowering usually continue till the showtime of the hoarfrost time of year in fall .
The bloom grow in bunch along the vines up to 20 ” column inch long .
However , they are abruptly - lived ; heyday only last for a mean solar day from dawning till sunset .
When grown as a nutrient crop , regular harvest of immature pod should be done as it promote extra flowering , which then will lead to high yields .
Some plants will have white flowers and blanched seed .
Light & Temperature
Phaseolus Coccineus plants get best in temperate geographical zone where the annual daytime temperatures range between 54 ° – 79 ° degrees Fahrenheit ( 12 ° C – 26 ° C ) .
However , they can tolerate temperatures between 41 ° – 86 ° degrees Fahrenheit ( 5 ° C – 30 ° C ) .
While the youthful industrial plant can get seriously damage at 34 ° degrees Fahrenheit ( 1 ° light speed ) , Phaseolus Coccineus can survive below freezing temperatures when sleeping .
In the growing time of year , red scarlet bean plants involve a warm and sunny position ; they thrive in full sun .
United States hardiness zone 3 – 11 ( USDA Zone ) .
Watering and Feeding
Scarlet runner bean vine expect deal of water to yield upright fruit .
However , excessive lacrimation can cause putrefaction of the root .
For best issue , contribute a significant amount of bulky organic thing , like garden compost , in the soil .
It helps to retain moisture , which is all important for the growth of a good crop .
Soil & Transplanting
to grow well , the flora requires rich , consistently moist , well - drained , and fertile loamy soil .
However , it does n’t like pie-eyed and acidic soil .
Phaseolus Coccineus prefers soil within the pH range of 5.5 to 7 but can brook soils from 5 to 8.2 pH.
Grooming and Maintenance
Phaseolus Coccineus does n’t require much maintenance .
But , it needs protection against slugs .
They seem to adore the plant ’s young shoot appear in the spring .
The scarlet flowers of the runner attic plant are known to appeal hummingbird , bees , and butterfly stroke .
How to Propagate Scarlet Runner Bean
generation of Phaseolus Coccineus is done through semen .
Capable of being done indoors , in flock , around 4 to 6 week prior to the last spring frost .
However , most mass prefer to plant the ejaculate in the ground after the end of the Robert Frost time of year .
The ejaculate can easily germinate in moist soil within ten days .
To ensure growth , soak the seed in warm H2O for about 12 hr before sowing .
Do n’t grow near fennel , it will prevent outgrowth .
Runner Bean Pest or Diseases
Phaseolus Coccineus is not prostrate to any serious disease or pestis .
However , it may get affected by anthracnose ( have cankered seedcase ) , bacterial blight ( which get unpredictable brown splotch on leaves ) , or mosaic viral disease ( results in yellow - mottled , stunted leaves ) .
White molding andpowdery mildeware also possible diseases regard runner noggin plants .
The industrial plant should be watched for leafhoppers , maggots , aphids , Japanese beetles , and Mexican bean beetles ; the last two may make holes in the foliage .
Multiflora Bean Uses
The plant is wide domesticate both as food works and for decorative plant .
As a food craw , Phaseolus Coccineus has been cultivated since 900 advert in tropical as well as temperate area of the world .
The edible bean seeds ( green seedpod ) of the plant life are widely used as intellectual nourishment ( green beans ) , in both fresh and dried form .
The edible seedpod , however , are only edible when they are young .
The native of Central America have also been eating its starchy roots for a recollective meter .
In some parts of the mankind , the flowers are also eaten by adding them to salads .
In some parts of the cosmos , the tooth root of Phaseolus Coccineus plant are also used for treat swollen eyes and malaria .
Coccinin , a type of peptide naturally recover in the seed of runner beans , has also shown effectiveness against a identification number of fungal contagion and for inhibiting proliferation in leukemia cells .
Phaseolus Coccineus is also wide grown for decorative purposes due to its bright - colored red flowers .
The most vulgar areas for their maturation arepergolas , fences , porches , andpatios .
Use the flora as a covering on a concatenation - linkup fencing or up a treillage to screen an untempting horizon .