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.
Bird's Nest Fern Another of our favorites, bird's nest fern is a slow-growing plant with bright green fronds that radiate from the center of the plant, creating a vase or bird's nest shape. It's versatile and easy to grow. Silver Brake Fern Create a distinctive look in your home with this fern.
Popular perennials include: clematis, some types of daisies, hardy ferns, hellebore, hibiscus, hostas, lavender, some ornamental grasses, peonies, periwinkle, phlox, roses, salvia, sedum, violets and yarrow. Find the best perennials for your zone in our plant finder.