Other leaves turn light green and stay smaller than normal. Savoy spinach is the type that has dark green leaves that are crinkly & curly and is commonly found in the grocery section of supermarkets. 180. Grow the plant in high humid conditions or use a humidifier. Dwarf (French) Bean Plants Nitrogen deficiency Growth dwarfed and thin; leaves pale green and older leaves yellow and die early. It is only happening to a few of my plants and they are all in the same room with no difference in light, nutes, water. Cast-iron plants aren’t always classed as houseplants. 181. Watercress Parallel peperomia plants have dark-green lance-shaped leaves with silvery stripes or veins. Deficient plants will exhibit uniform light green to yellow on older leaves, these leaves may die and drop. Spinach is great because it has a very mellow flavour and is not overpowering. Young leaves have yet to develop a fully functioning cell wall, and they can’t achieve photosynthesis as efficiently, both of which contribute to a lighter shade. This fast-growing peperomia variety looks similar to the watermelon peperomia, only without rounded leaves. Dwarf Bean Plants Phosphorus deficiency Growth dwarfed and thin: leaves dark, lustreless green, older leaves turn brown and shed early. Leaves also yellow on edges and between veins. Dwarf Bean Plants Calcium deficiency Potassium – Older, lower leaves show marginal necrosis, even looking scorched around the edges. Most varieties produce a profusion of long, dark, glossy green elliptical leaves on slender stalks that together form a fountain-like shape. The plant grows up to 18” (45 cm) in height. In the picture you can see five Romano bush bean plants in my raised bed. 11. Polka Dot Plant, or Freckle Face (Hypoestes phyllostachya), is easy to spot because of its light-to-medium pink or white and dark green spotted leaves. Plants will exhibit lack of vigor, slow growth and will be weak and stunted. Many leaves even turn yellow or orange before death, resulting in beautiful fall foliage in various parts of the world. My leaves are turning a light green color. The attractive foliage grows on reddish upright stems that also have a trailing nature. Polka Dot Plant . Leaf margins will not curled up noticeably. Botanical Name: Calathea makoyana. Its tough leaves, glossy and dark green, 1 to 2½ feet long and 3 to 4 inches wide, arch elegantly; the leaves are pointed at the tips. Older leaves become yellow (chlorotic) from lack of chlorophyll. Peacock Calathea. Leaf tips may look burnt. Phosphorus – Leaves looks stunted and turn dark green or even a deep purple color (almost black for some plants). If you don’t see them among the low light houseplants at the nursery, look among outdoor shade-loving plants. Quality and yield will be significantly reduced. This is mostly happening to the topmost leaves but on a couple plants it goes down further. This beautiful calathea has thin dark green to purple foliage with peacock markings having lime feathering on red-pink stems. These are all exactly the same variety; in fact, they came out of the same six-pack of seedlings from the nursery. Autumn leaf color is a phenomenon that affects the normal green leaves of many deciduous trees and shrubs by which they take on, during a few weeks in the autumn season, various shades of yellow, orange, red, purple, and brown. It is a perfect green to add to smoothies and works great with berries, bananas and mango. 8. It grows in lance-shaped, velvety dark green leaves with light green patterns. The phenomenon is commonly called autumn colours or autumn foliage in British English and fall colors, fall foliage, or simply foliage in American English. 182. As the leaves mature, they become darker green. Yet, four of them have bright green leaves, one has dark green leaves, and one has some of both.