Indigo plant , also know as dependable indigo plant , can be annual , biennial , or perennial , depending on the zone in which they are grown . This means that in some regions , they may only survive for one year , while in others , they can endure for multiple years .
In terms of their growth habit , indigo plants can reach impressive heights , often reaching up to 4 foot magniloquent . This makes them a expectant addition to the back of a garden layer or as a focal point in a larger landscape . Their grandiloquent stature append vertical involvement and can make a dramatic visual wallop .
One of import consideration when grow indigo plants is their extended growing time of year requirement . They want a longer period of meter to mature and produce flower . This can be a challenge in regions with short growing seasons , as it may fix the works ’s power to reach its full potential .
To subdue this challenge , it’s advised to start anil seed indoors in grass , close to 4 - 8 weeks before the last Robert Frost appointment . This gives the plant a head start and allows them to develop a stiff ascendent system before being transplanted outdoors . start the seminal fluid indoors also helps to extend the growing time of year and increase the luck of success .
Germinating indigo seed can be a bit catchy , as they have a intemperate seminal fluid coat that can be difficult to penetrate . Some gardeners advocate scarifying the seeds , which regard nicking or inscribe the seed coat to give up moisture to penetrate and initiate sprouting . soak the seeds in warm water for a few hours or overnight before sowing can also avail soften the seed pelage and improve sprouting rates .
Once the indigo plant are established , they require minimal aid and are comparatively drouth - resistant . This makes them a great alternative for gardener in arid neighborhood or those looking to maintain water . However , it is still authoritative to provide regular lacrimation during dry periods to ascertain sizeable growing and flowering .
In terms of their lifespan , indigotin plant can behave differently depending on the climate and growing condition . In warmer regions with soft winters , they may behave as perennials , returning year after yr . In colder regions , they may only hang in for one or two year , acting as biennials or unawares - live perennials . In some cases , they may ego - ejaculate and make new plants , extending their comportment in the garden .
Growing true Indigofera tinctoria can be a rewarding experience , but it does require longanimity and heedful tending to the specific get requisite . Starting seeds indoors , providing passable piss , and infer the plant ’s life-time in your especial region are key component for successful refinement . With the right condition and concern , indigo plant can summate beauty and interest to any garden .
Caroline Bates
