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.
Ferns. Reliable, long lived and easy to grow, hardy ferns are tolerant of cold winter temperatures and can be grown outdoors year-round. Adaptable and versatile, hardy ferns can be used as border plants or in containers and even for erosion control.Most ferns do require a moist, shady spot to perform well.Hardy Ferns add textures to any shade garden. Fern care is easy when planted in moist, humus rich, and well-drained soil.daptable and versatile, hardy ferns can be used as border plants or in containers and even for erosion control. Most ferns do require a moist, shady spot to perform well. Hardy Ferns add textures to any shade garden. Fern care is easy when planted in moist, humus rich, and well-drained soil.