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.
Plants commonly referred to as Hens and chicks include ground-hugging species of Sempervivum (houseleeks) such as Sempervivum 'Pekinese', S. arachnoideum (cobweb houseleek), and S. arachnoideum (common houseleek), as well as members of the related genus Jovibarba.