Symptoms of Chlorosis: Light Green Leaves with Dark Green Veins
Does your houseplant have Chlorosis?
A houseplant that has Chlorosis is fairly easy to identify. In most cases a Chlorotic plant will be one that is highly active, it gets a lot of light, uses water vigorously, grows rapidly, and is usually quite well established. To accurately identify Chlorosis look for the following symptoms:
- New growth on plant grows in a very washed out, faded, light green or yellowish color that remains into maturity.
- The faded out new growth will have dark green leaf veins.
- The older established growth will be a normal healthy vibrant green color.
There are other things that cause fading or color distortion on leaves that are not Chlorosis but may be mistaken for it. The key identifier is that the issue will show on new or newest growth only and the deep green veins will be present. If you have a similar issue but not the same symptoms you probably have a different problem such as, discoloration from over or under watering, a plant in too low of light, or a Spider Mite infestation. To explore other possible problems check the library of Thoughthole hubs for more issues that may better fit your situation. If it sounds like Chlorosis may be what your dealing with read on for more information.
OK, so what is Chlorosis?
If a plant is found to be Chlorotic, it is not producing enough Chlorophyll. You know the stuff that makes a plant green, and allows for a plant to do photosynthesis. Chlorosis usually occurs when a plant is highly active and uses up all the minerals in its soil. The key mineral in deficit in a case of Chlorosis is iron, so a Chlorotic plant can be compared to some extent to an anemic human. The Chlorosis symptoms show up on new growth because the older growth has already established its Chlorophyll content, when the plant attempts to produce new leaves there is not enough iron available for the plant to create a healthy green leaf.
Now Chlorosis has been identified, how in the world should it be corrected?
If a plant has Chlorosis it can be helped. Like a human being that has developed anemia (lack of iron in the blood) the correction is to try to supplement iron into ones diet, a plant is no different and since a plant feeds on the contents of its soil it will require a high iron fertilizer or soil additive.
Cautions: again like unto a human, iron can be a somewhat difficult supplement to process and extract for a plant, and too much can be toxic.
It is recommended that you try and find a fertilizer with Kelated iron, this is much more easily absorbed and processed. If your plant is Chlorotic it is highly likely that it is deficient on other key nutrients and minerals as well, so ideally a well balanced fertlizer with kelated iron would be the best option. Make sure to follow instuctions well when introducing a plant supplement in any case but especially with iron, too much iron can burn and damage a plant. Always be sure that your houseplant is in a stable condition when introducing iron supplement or fertilizer or any kind. If a plant is overly dry, or overly wet it will already be in a volatile state allow it to come back in balance before introducing more variables, failure to do so can cause additional complications that can cause your plant to become increasingly unsightly or even die.
Be aware that any new growth that was produced in the chlorotic state will remain chlorotic (faded with green veins) even after the iron supplement has been introduced if possible this growth should be cut back for new healthier growth to take its place.
Since most commonly a plant that develops Chlorosis will be found in high light, use a lot of water, grow rapidly,and or be well established, most plants that fit these criteria should be given regular treatments of kelated iron supplemented fertilizer, or root stimulator's the keep adequate amounts of nutrient in the soil and available for a plant to use in producing new growth.
As always be knowledgeable about the type of plant you are dealing with, and make sure that whatever supplements you use are designed for the plant in question. Some plants are adapted and designed to live in harsh high light conditions, these may be affected negatively by introducing regular fertilizer treatments. Know your plant!
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