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.
Wood fern (Dryopteris) Plant these delicate, medium-sized ferns in mixed borders to show off their feathery fronds. Autumn ferns (D. erythrosora) are one of the few ferns with seasonal color variation and their fronds change from pale gold and pink in spring to green in summer and rusty copper in fall. The ferns spread by underground stems to form swaths in garden beds.
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.