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.
Evergreen ferns, such as Christmas fern (Polystichum acrostichoides) and Boston fern (Nephrolepis exaltata), are among the most popular flower arrangement foliage, commonly used as filler in large, mass arrangements or to accent a single stem arrangement.lmost any shrub in your garden works well as foliage for a flower arrangement, providing that the shape of the foliage complements the shape and size of the flowers used.