The sections of the light spectrum which the âredâ and âgreenâ cones perceive overlap and this is why red and green colour vision deficiencies are often known as red/green colour blindness and why people with red and green deficiencies see the world in a similar way.
Boston Fern The most common indoor fern, Boston ferns are long-lived plants that can reach more than 5 feet tall and wide at maturity (though indoors they rarely reach that size). Fern breeders have released a large number of varieties -- from selections with golden fronds to fantastically frilled fronds.
The Asparagus Fern is a very popular plant for florists who commonly use the lacy, horizontal fronds in flower arrangements. These decorative vines will grow up to 10 feet with support, or they can be kept to a more compact size by regularly removing the tips from new growth.ookies! There are several different species and varieties of Asparagus Fern that have been grown as house plants since the late 19th century because they are are one of the fastest growing, least demanding, easiest to care for plants for growing indoors.