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.
Partial Shade. Ferns such as evergreen wood fern (Dryopteris marginalis) can handle shade or limited sunlight such as light morning sunlight or light filtered through a tall tree. Evergreen wood fern, a sturdy plant that attains heights of 2 to 3 feet at maturity, grows in USDA zones 2 through 8.assel fern (Polystichum polyblepharum) is a striking, 18- to 24-inch fern that grows best in full or partial shade. Tassel fern grows in USDA zones 5 through 8. A sturdy fern that prefers shade, deer fern (Blechnum spicant) grows in USDA zones 5 through 8.