why are my poinsettia leaves green?
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It is actually the plant's leaves that provide its color through a process called photoperiodism. This process, in response to certain amounts of light or lack thereof, turns the leaves from green to red (or pink, white, and other shade variations).
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Why are the green leaves are falling off of my goldfish plant? Goldfish plants lose leaves when the plant is too wet or too dry. If it doesn't appear to be a watering problem, your plant may just be going into a "rest period." Trim back the bare branches, put the plant in lower light, and let the soil stay fairly dry.
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A Poinsettias wilt when they get too hot and dry. They do best at a draught-free 15-21°C and should keep flowering for 12 weeks. ... Water the poinsettia from the top of the pot, allowing the compost to become completely dry before the next application. But if the leaves start to wilt, water thoroughly with tepid water.
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It's the visible result of too little chlorophyll, the pigment used by plants to trap sunlight for photosynthesis. Since chlorophyll gives leaves their green color, an inadequate supply turns plants a pale green, yellow or yellowish white.
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Although the green color itself is not harmful, it may indicate the presence of a toxin called solanine. Peeling green potatoes can help reduce solanine levels, but once a potato has turned green, it's best to throw it away.
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A leaf is actually called 'the kitchen of the plant'. This is because they are the main organ responsible for photosynthesis, through which the plant produces its energy a.k.a. it's food. They obtain their green color due to the presence of chlorophyll.
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Other cultural problems that cause yellow leaves on a crepe myrtle include inadequate sunshine and too little water. If the soil doesn't drain well, it can also result in crepe myrtle with yellow leaves.
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The leaves of most plants are green, because the leaves are full of chemicals that are green. The most important of these chemicals is called “chlorophyll” and it allows plants to make food so they can grow using water, air and light from the sun. ... So the green chemical chlorophyll is really important.
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Ample light helps the leaves become more colorful but filter the light to prevent excessive heat which can lead to drying and poor performance. ... Temperatures below 40oF will cause the leaves of the plants to take on a different shade. All-green ivies turn red or purple. Maroon streaks take over yellow-leaved cultivars.
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The Bottom Line Although the green color itself is not harmful, it may indicate the presence of a toxin called solanine. Peeling green potatoes can help reduce solanine levels, but once a potato has turned green, it's best to throw it away.
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Chlorophyll is a pigment found in the thylakoid membranes of the chloroplasts in the leaves . This is why plants are green . The simple answer is that plants are green because they have green Chloroplasts (organelles that carry out photosynthesis). ... Chlorophyll is a pigment that absorbs red and blue light.
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White leaves on green bean plants can be a sign that the plant is being attacked by one of three types of fungi: powdery mildew, bean rust or pythium blight. ... Another cause of green beans turning white is bean rust. Like powdery mildew, bean rust is more commonly found on older plant leaves.
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Why are Some Tomatoes Green Inside? Most tomatoes ripen from the inside out, hence the tomato seeds are green because they contain chlorophyll, the pigment in plants which gives them a green hue. Chlorophyll allows plants to absorb energy from light in a process called photosynthesis.
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Mineral deficiency is one of the major causes of chlorosis in plants and in gardenias the most common deficiencies are magnesium, nitrogen and iron, which result in the leaves turning from a glossy green shade to a bright yellow. Gardenias are known and grown for their sweet-smelling white flowers.
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The shape of the poinsettia flower and leaves are sometimes thought as a symbol of the Star of Bethlehem which led the Wise Men to Jesus. The red colored leaves symbolize the blood of Christ. The white leaves represent his purity. The Poinsettia is also the national emblem of Madagascar.
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Leaf spots Often, affected leaves turn yellowish green and fall off, although the plant usually survives. The problem is caused by a fungus that spreads via spores in wet or humid conditions. To control leaf spot, avoid watering your hydrangeas from overhead, and again, remove and destroy diseased plant parts.
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Certain nutrient deficiencies can cause discolored foliage in your miniature roses. A nitrogen deficiency strikes the old leaves first, turning mature foliage yellow while bringing about spindly plant growth and puny roses. A magnesium deficiency is often to blame for yellow leaves on roses in pots.