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.
Lady Fern is easy to grow and thrive in moist, well-drained soil. Plants can tolerate dry soil conditions better than most other ferns. Lady ferns grow best in shaded areas of the garden but can handle sun if soil is constantly moist. They grow to be 1 to 3 feet high and have a plant spread of 1 to 2-1/2 feet.
Foxtail Ferns are very similar to Sprenger's Asparagus except the growth habit is much denser. In the garden they will grow 2 ft. tall with a spread of 3 to 4 feet.sparagus Ferns are only hardy in USDA zone 9 and warmer. They all require the same basic care, whether they are grown in the garden or in containers, as house plants. They grow best in bright, indirect light without any full sun.