I have two plants. One was turning dark brown on the edges. That would undoubtedly be from over-watering. The water meter read dry all around and moist in the middle. Water meters don't measure moisture, they measure electrical conductivity. Fill a clean cup part full of distilled water, insert a clean water meter probe and note it reads 'DRY'. Sprinkle some salt in the water (makes the water conduct electricity) and watch the meter move to 'WET'. It's much better to use a 'tell'. See below. I soaked it and the nursery said to take take it out if the pot and ket the rootball dry out. After I did that, I repotted and soak it. The advice to remove the root/soil mass was to pull the excess water out of it. Putting it back in the pot and soaking it undid what would have otherwise been beneficial. I also cut the brown off of the edges. No problem in doing that. You should find this piece about Good Growing Habits helpful. The shortest route to green thumb status starts with learning all you can, instead of trying dozens of different things and ending up totally confused by the mixed results. When you learn what to do beforehand, you don't spend your valuable time getting bit on the butt by mistakes; rather you use your practical experience to validate what you already learned. Practice that, and you'll leave the 'trial-and-error crowd' standing in your slipstream. Using a 'tell' Over-watering saps vitality and is one of the most common plant assassins, so learning to avoid it is worth the small effort. Plants make and store their own energy source – photosynthate - (sugar/glucose). Functioning roots need energy to drive their metabolic processes, and in order to get it, they use oxygen to burn (oxidize) their food. From this, we can see that terrestrial plants need plenty of air (oxygen) in the soil to drive root function. Many off-the-shelf soils hold too much water and not enough air to support the kind of root health most growers would like to see; and, a healthy root system is a prerequisite to a healthy plant. Watering in small sips leads to avoid over-watering leads to a residual build-up of dissolved solids (salts) in the soil from tapwater and fertilizer solutions, which limits a plant's ability to absorb water – so watering in sips simply moves us to the other horn of a dilemma. It creates another problem that requires resolution. Better, would be to simply adopt a soil that drains well enough to allow watering to beyond the saturation point, so we're flushing the soil of accumulating dissolved solids whenever we water; this, w/o the plant being forced to pay a tax in the form of reduced vitality, due to prolong periods of soil saturation. Sometimes, though, that's not a course we can immediately steer, which makes controlling how often we water a very important factor. In many cases, we can judge whether or not a planting needs watering by hefting the pot. This is especially true if the pot is made from light material, like plastic, but doesn't work (as) well when the pot is made from heavier material, like clay, or when the size/weight of the pot precludes grabbing it with one hand to judge its weight and gauge the need for water. The advice to water when the top inch or two of the soil is dry is almost always counter-productive. Fingers stuck an inch or two into the soil work ok for shallow pots, but not for deep pots. Deep pots might have 3 or more inches of soil that feels totally dry, while the lower several inches of the soil is 100% saturated. Obviously, the lack of oxygen in the root zone situation can wreak havoc with root health and cause loss of a very notable measure of your plant's potential. Inexpensive watering meters don't even measure moisture levels, they measure electrical conductivity. Clean the tip and insert it into a cup of distilled water and witness the fact it reads 'DRY'. One of the most reliable methods of checking a planting's need for water is using a 'tell'. You can use a bamboo skewer in a pinch, but a wooden dowel rod of about 5/16” (75-85mm) would work better. They usually come 48” (120cm) long and can usually be cut in half and serve as a pair. Sharpen all 4 ends in a pencil sharpener and slightly blunt the tip so it's about the diameter of the head on a straight pin. Push the wooden tell deep into the soil. Don't worry, it won't harm the root system. If the plant is quite root-bound, you might need to try several places until you find one where you can push it all the way to the pot's bottom. Leave it a few seconds, then withdraw it and inspect the tip for moisture. For most plantings, withhold water until the tell comes out dry or nearly so. If you see signs of wilting, adjust the interval between waterings so drought stress isn't a recurring issue. Al

If you clean the tip of your moisture meter and dip it in a cup of distilled water, the meter will tell you the water is dry; this because the meter actually measures electrical conductivity. So if you have a given volume of water in a given soil, the higher the TDS (total dissolved solids or roughly - salts) the wetter the moisture meter will tell you the soil is. A wooden dowel, used as a 'tell' is more reliable. If I do heavy root work on tropicals, I habitually reduce the canopy by a very large fraction to keep the plant from A) collapsing, or B) from shedding branches that might be an important part of the composition I'm building. Example: From this root mass to this:You can see the huge roots I severed, and that was only the first rootwork session. Since then, I've pruned the root mass back to just about even with the soil level in the image below. We actually have a tool designed specifically for this chore, called (what else?) a root cutter. The tree is F benjamina. The foliage mass, on the same day, went from this: To this: I'm not sure what this means: There is no other location that's suitable for this big tree. Given this condition, should I supplement the lack of light with the Dyna-Gro in a month or so? You can't counter or remedy a lack of light by supplying fertilizer. In fact, you need to be careful about not over-fertilizing in low light conditions. Dyna-Gro's Foliage-Pro 9-3-6 is a good choice for low light conditions though, because it's nitrogen sources tend to reduce likelihood of the coarse growth that occurs when using fertilizers that get their N from urea. More about using a 'tell' please forgive the weird formatting, which happens on all the word documents I write and save to share): Over-watering saps vitality and is one of the most common plant assassins, so learning to avoid it is worth the small effort. Plants make and store their own energy source – photosynthate - (sugar/glucose). Functioning roots need energy to drive their metabolic processes, and in order to get it, they use oxygen to burn (oxidize) their food. From this, we can see that terrestrial plants need air (oxygen) in the soil to drive root function. Many off-the-shelf soils hold too much water and not enough air to support good root health, which is a prerequisite to a healthy plant. Watering in small sips leads to a build-up of dissolved solids (salts) in the soil, which limits a plant's ability to absorb water – so watering in sips simply moves us to the other horn of a dilemma. It creates another problem that requires resolution. Better, would be to simply adopt a soil that drains well enough to allow watering to beyond the saturation point, so we're flushing the soil of accumulating dissolved solids whenever we water; this, w/o the plant being forced to pay a tax in the form of reduced vitality, due to prolong periods of soil saturation. Sometimes, though, that's not a course we can immediately steer, which makes controlling how often we water a very important factor. In many cases, we can judge whether or not a planting needs watering by hefting the pot. This is especially true if the pot is made from light material, like plastic, but doesn't work (as) well when the pot is made from heavier material, like clay, or when the size/weight of the pot precludes grabbing it with one hand to judge its weight and gauge the need for water. Fingers stuck an inch or two into the soil work ok for shallow pots, but not for deep pots. Deep pots might have 3 or more inches of soil that feels totally dry, while the lower several inches of the soil is 100% saturated. Obviously, the lack of oxygen in the root zone situation can wreak havoc with root health and cause the loss of a very notable measure of your plant's potential. Inexpensive watering meters don't even measure moisture levels, they measure electrical conductivity. Clean the tip and insert it into a cup of distilled water and witness the fact it reads 'DRY'. One of the most reliable methods of checking a planting's need for water is using a 'tell'. You can use a bamboo skewer in a pinch, but a wooden dowel rod of about 5/16” (75-85mm) would work better. They usually come 48” (120cm) long and can usually be cut in half and serve as a pair. Sharpen all 4 ends in a pencil sharpener and slightly blunt the tip so it's about the diameter of the head on a straight pin. Push the wooden tell deep into the soil. Don't worry, it won't harm the root system. If the plant is quite root-bound, you might need to try several places until you find one where you can push it all the way to the pot's bottom. Leave it a few seconds, then withdraw it and inspect the tip for moisture. For most plantings, withhold water until the tell comes out dry or nearly so. If you see signs of wilting, adjust the interval between waterings so drought stress isn't a recurring issue. Al

That's a physiological issue that occurs when your plant takes up water from the soil with dissolved minerals (salts) in it. Some of that water, with salt dissolved in it, makes it to the surface of the leaf. When the water evaporates, it leaves behind the salt it contains as a little white powdery dot. This is also harmless, but could be a signal that the level of dissolved solids (salts) in the soil is creeping upward. If you witness it, you might try flushing the soil thoroughly - especially if you've been watering in small sips so the plant doesn't have to deal with soil saturation. That particular way of watering ensures that all salts from your tapwater and fertilizer solutions remain in the soil where they can create quite a bit of mischief. The salt deposits on the leaves will rub right off with a damp cloth or paper towel. If the dots don't wipe off, suspect another physiological issue called oedema. Oedema Oedema is a physiological disorder that can affect all plants. It occurs when the plant takes up more water than it can rid itself of via the process of transpiration. The word itself means 'swelling', which is usually the first symptom, and comes in the form of pale blisters or water-filled bumps on foliage. Under a variety of circumstances/cultural conditions, a plant's internal water pressure (turgidity) can become so high that some leaf cells rupture and leak their contents into inter-cellular spaces in leaf tissue, creating wet or weepy areas. Symptoms vary by plant, but as the malady progresses, areas of the leaf turn yellow, brown, brown with reddish overtones or even black, with older damage appearing as corky/ scaly/ ridged patches, or wart/gall-like bumpy growth. Symptoms are seen more frequently in plants that are fleshy, are usually more pronounced on the underside of leaves, and older/lower leaves are more likely to be affected than younger/upper leaves. Oedema is most common in houseplants during the winter/early spring months, is driven primarily by excessive water retention in the soil, and can be intensified via several additional cultural influences. Cool temperatures, high humidity levels, low light conditions, or partial defoliation can individually or collectively act to intensify the problem, as can anything else that slows transpiration. Nutritional deficiencies of Ca and Mg are also known contributors to the malady. Some things that can help you prevent oedema: * Increase light levels and temperature * Monitor water needs carefully – avoid over-watering. I'd heartily recommend a soil with drainage so sharp (fast) that when you to water to beyond the saturation point you needn't worry about prolonged periods of soil saturation wrecking root health/function. Your soil choice should be a key that unlocks the solutions to many potential problems. * Avoid misting or getting water on foliage. It slows transpiration and increases turgidity. * Water as soon as you get up in the AM. When stomata close in preparation for the dark cycle, turgidity builds. If you water early in the day, it gives the plant an opportunity to remove (for its own needs) some of the excess water in the soil. * Put a fan in the room or otherwise increase air flow/circulation. Avoid over-crowding your plants. Al

It looks like the larger of the leaves is mostly mechanical injury. You can see witness marks where the large leaf was folded, which caused the compromised veins which limited water/ nutrient flow leading to the necrotic spots, though over-watering can't be ruled out entirely as the cause of some of the other lesions, especially in the smaller leaf. It's unlikely it's a bacterial infection. Bacterial infections are usually moist and limited in their spread by venation (veins). The image of the smaller leaf doesn't show clearly if the lesion is bounded by venation, but bacterial infections aren't that common. I read up a bit and think it could be bacteria or fungal infection. So far I’ve sprayed it with copper fungicide spray and watered with a root support treatment. And cut off most of the leaves with the spots. I don't know what's meant by a root support treatment. But the efforts were likely unnecessary or aimed in the wrong direction. Leaf loss could easily be due to the reduction in the light load as we approach the dark days of winter, or could have been caused by over-watering. Watering is an important skill. If you're following the oft repeated advice to water when the top inch or two of the soil is dry, then it's highly probable you're over-watering .... unless your pot is less than 5" deep. More important is what moisture levels are deep in the pot, at the bottom. To monitor moisture levels there, a "tell" is very useful and much more informative than a digital device (finger) or a cheap water meter. The idea is to insert the "tell" and read what the tip tells you moisture levels are at the pots bottom. See more below. If you can water correctly (so you're flushing the soil when you water) and effectively control moisture levels, and are fertilizing appropriately, the 2 remaining issues would be light levels and temperature. The plant needs lots of light and, ideally, wants to be grown in the 68-78* range. If you wonder about fertilizing, please ask. It's very important that containerized plants are provided with appropriate nutrition, as the nutrients are essential for keeping the plant's systems orderly and they serve as the building blocks from which the plant creates its living parts. You might find this piece I wrote about Long Term Care of Ficus in Containers helpful. Using a 'tell' Over-watering saps vitality and is one of the most common plant assassins, so learning to avoid it is worth the small effort. Plants make and store their own energy source – photosynthate - (sugar/glucose). Functioning roots need energy to drive their metabolic processes, and in order to get it, they use oxygen to burn (oxidize) their food. From this, we can see that terrestrial plants need plenty of air (oxygen) in the soil to drive root function. Many off-the-shelf soils hold too much water and not enough air to support the kind of root health most growers would like to see; and, a healthy root system is a prerequisite to a healthy plant. Watering in small sips leads to avoid over-watering leads to a residual build-up of dissolved solids (salts) in the soil from tapwater and fertilizer solutions, which limits a plant's ability to absorb water – so watering in sips simply moves us to the other horn of a dilemma. It creates another problem that requires resolution. Better, would be to simply adopt a soil that drains well enough to allow watering to beyond the saturation point, so we're flushing the soil of accumulating dissolved solids whenever we water; this, w/o the plant being forced to pay a tax in the form of reduced vitality, due to prolong periods of soil saturation. Sometimes, though, that's not a course we can immediately steer, which makes controlling how often we water a very important factor. In many cases, we can judge whether or not a planting needs watering by hefting the pot. This is especially true if the pot is made from light material, like plastic, but doesn't work (as) well when the pot is made from heavier material, like clay, or when the size/weight of the pot precludes grabbing it with one hand to judge its weight and gauge the need for water. Fingers stuck an inch or two into the soil work ok for shallow pots, but not for deep pots. Deep pots might have 3 or more inches of soil that feels totally dry, while the lower several inches of the soil is 100% saturated. Obviously, the lack of oxygen in the root zone situation can wreak havoc with root health and cause the loss of a very notable measure of your plant's potential. Inexpensive watering meters don't even measure moisture levels, they measure electrical conductivity. Clean the tip and insert it into a cup of distilled water and witness the fact it reads 'DRY'. One of the most reliable methods of checking a planting's need for water is using a 'tell'. You can use a bamboo skewer in a pinch, but a wooden dowel rod of about 5/16” (75-85mm) would work better. They usually come 48” (120cm) long and can usually be cut in half and serve as a pair. Sharpen all 4 ends in a pencil sharpener and slightly blunt the tip so it's about the diameter of the head on a straight pin. Push the wooden tell deep into the soil. Don't worry, it won't harm the root system. If the plant is quite root-bound, you might need to try several places until you find one where you can push it all the way to the pot's bottom. Leave it a few seconds, then withdraw it and inspect the tip for moisture. For most plantings, withhold water until the tell comes out dry or nearly so. If you see signs of wilting, adjust the interval between waterings so drought stress isn't a recurring issue. Questions?