©2020 The Davey Tree Expert Company. Subscribe to the "The Sapling" on the Davey Blog for the latest tips to keep your outdoor space in tip-top shape throughout the year. Most transpiration activity, however, occurs during the day when the sun is shining. One of the most important and frequent garden chores is watering the plants -- some species require daily irrigation for the best growth. Understandably, with the roots taking up water and the leaves not expelling any, pressure builds. Evenings with calm winds also contribute to pathogen reproduction -- windy nights help the plants evaporate the standing water or knock the moisture to the ground. 1. Queen of the Night are tropical plants native to Cuba and Jamaica. It is true that watering when the sun is out can cause scorching; on the other hand, although evening watering reduces evaporation, it leaves plants and the surrounding soil wet, or at least damp, at nightfall; besides providing fertile ground for diseases, this attracts more pests, particularly *slugs. During the day, the sun readily evaporates this moisture, but nighttime watering allows the water to stay on the plant for an extended amount of time. The key to watering at night is watering late enough to where the water won’t evaporate, but early enough to where your plants have time to dry to avoid disease. Don’t wet the foliage. Water has a chance to soak into tree roots. The truth is: watering at night is a bad idea. Watering plants and near freezing temperatures send many gardeners into fits, worrying that the newly wet soil will freeze and injure roots. It leaves time to dry before nightfall, which helps prevent fungal diseases. And the plants can sufficiently supply themselves with water before the next day’s heat. As temperatures drop, the water frosts over and may harm plants that are frost-tender. Lastly, pay attention to water quality. For example, standing water on foliage does not have a chance to evaporate in the evening. Those that believe cannabis plants should be watered at night argue that in a natural environment, precipitation does not fall when the sun is shining, due to cloud cover. Here’s why. If it feels dry at your fingertip, your plants need water. The Best Way to Irrigate a Vegetable Garden, Alberta Agriculture and Rural Development: House Plants: Watering, Washington State University Extension: Watering Home Gardens and Landscape Plants. The tree study didn't address why the branches and leaves drooped at night, but it's likely related to the turgidity, or the internal water pressure within the tree, the researchers said. Water in the morning. Trees and plants think so, too. © Copyright 2020 Hearst Communications, Inc. Watering plants and trees in the morning is best for your plants–and good for your mental well-being. However, some plants can uptake carbon dioxide during the night as well because of their ability to perform a type of photosynthesis called Crassulacean Acid Metabolism (CAM). As a result, fungi and bacteria have a perfect haven for replication and invasion on the plant's surfaces. damp leaves become extra vulnerable to fungal development. Many also state that if water droplets resting on the leaves are exposed to heat and bright light, they may act as “magnifying glasses” and burn the leaves. Sign Up for Free Tree & Landscaping Tips! Im guessing you are talking about outside potted plants ? Before watering plants, check to see if your plant really needs it. The best way to water most plants is by applying enough to moisten the plant's entire root system, and then letting the soil dry out slightly before watering … Maintaining a healthy balance when irrigating your garden is essential to thriving plants. If that's the case, watering at night will avoid spilling water on the leaves and potential marks on leaves caused by sun shining through the watcer drops and magnifying/burning spots. Plants are finicky. Water early in the day, so the plants have time to absorb it before the temperature drops at night. When you water cooled soil in the evening or night then less water evaporates than as on hot soil during the day. The soil may become water-logged instead of draining properly with help from the sun. As a result, water remains standing on the soil surface. As long as you water early in the day, the water you give your plants can actually be protective against nighttime freezes. But compacted soil prevents water from moving slowly into the topsoil. Water has a chance to soak into tree roots instead of being evaporated by the heat. While at night, the plants uptake oxygen and release carbon dioxide, which is called respiration. Luckily yes there are. View our Privacy Policy for more information. Therefore, it is important to pay attention to water temperature when watering your plants. Because of this, damp leaves become extra vulnerable to fungal development. How peaceful is it to stand under your towering trees, listen to the falling water and see the morning sun shine? Watering your plants from above, with a watering can or sprinkler system, causes the foliage, flowers and fruit to become wet. Your plants' stem and crown may also be harmed from pathogens or rot if the water concentrates around each plant base. There are certain species of plant (for example the snake plant) which do produce oxygen at night, and are actually considered to help promote sleep because of this, so you can still get your bedroom plant fix without feeling paranoid your plant will one day kill you. Drinking water at night is not bad for our health at all. But plants don’t transpire at night, and the roots carry on sucking up water. By continuing to use this site, you accept our use of cookies. Watering plants early will ensure that they have sufficient store of moisture beneath the soil to withstand the heat of a hot summer day. Watering Plants At Night Isn’t Needed: Although the idea has been around for years, most plants don’t need extra care by watering them at night. Tree Service Experts Since 1880. In the United States, they only grow on the Hawaiian islands, according to the U.S. Department of Agriculture. There are a few exceptions, but 99% of your plants, indoors and out should only be watered during the day. With an electronics degree and more than 10 years of experience, she applies her love of gadgets to the gardening world as she continues her education through college classes and gardening activities. As a result, moisture remains on the plant for pathogen infiltration, causing rot and other damaging injuries to the foliage and flowers. Let’s talk about why and the reasons you should avoid watering at night. One thing to be careful of if you water in the late afternoon is to make sure that the leaves have a little time to dry before night comes. Morning (Not Night) is the Best Time to Water Plants in Summer. Isn’t it so satisfying to gulp down a tall glass of water first thing in the morning? Luckily, this to-do provides a moment of solitude and zen in your busy morning. Spending time among the trees even reduces stress levels. Loose soil typically provides spaces for water to penetrate the ground in a uniform manner. If water evaporates before it gets to the roots, you would only assume you should change to night watering. If water sits on plant foliage for hours, it can encourage fungal diseases to attack leaves, buds, flowers, and fruit. After a night time soak, leaves can stay wet for a pretty long time since they don’t have the day’s sun to dry them off. Try to avoid watering late, especially if you live in a climate with humid nights. It is possible to create an artificial frost across your garden with nighttime watering. If you absolutely can’t water in the morning, the next best time is late afternoon, right before dusk. Wondering how much water your trees need in the morning? Wet leaves and moist weather are perfect conditions for fungus. A good way to direct the water to the plants is to dig a little trench around the plants and allow water to flow into it. Davey uses cookies to make your experience a great one by providing us analytics so we can offer you the most relevant content. What may not be on the list is watering your trees. Avoid watering disease-susceptible plants at night. Discover just how much water to give your trees each week. One of the most important and frequent garden chores is watering the plants -- some species require daily irrigation for the best growth. You know, because it’s tiny molecules of water vapour. An alternative is to lay the hoses directly on the ground near the plant so the water goes where it is needed. This is because damp leaves at night encourage fungus problems, such as powdery mildew or sooty mold, which can harm your vegetable plants. They are also found in the Virgin Islands and Puerto Rico. Morning is the best time to water. Spending time among the trees even reduces stress levels. If you have a busy daytime schedule, your gardening time may be limited to the evening and nighttime hours. The amount of water a plant needs depends on a number of factors, including the type of plant, its stage of growth, type of soil, weather and time of year. Because there is no sun to evaporate the puddle, your plants' roots become suffocated from reduced air and moisture. A board or rock placed under the water flow will prevent the water from eroding the soil. So, there you have it! Because of this, damp leaves become extra vulnerable to fungal development. This answer and more after the jump! By continuing to use this site, you accept our use of cookies. When you water at night, the water sits on the leaves and stems of the plants instead of evaporating. Some plants cannot tolerate chlorinated tap water, while other plants have a difficult time with soft water. Answered July 22, 2019 No. If your soil lacks an ideal friable texture, watering at night contributes to waterlogging. Making the bed, walking the dog, packing a lunch—one of these things is probably part of your morning routine. When you water, the foliage of your plants will get wet. This is the perfect scenario for a fungus to form on your plants. If you have any plants that are suffering from other ailments, like damaged stems, these pathogens may gain a stronger foothold in your garden and cause significant dieback. Davey uses cookies to make your experience a great one by providing us analytics so we can offer you the most relevant content. In cooler climates, they must be grown indoors. Apply water in the cool of the morning or evening when the wind is calm and water loss through evaporation is minimal. I am not a specialist doctor, but i am always trying to give my best to all my friends. They thrive on a morning soak because: Watering at night is not the best for your plants’ leaves or overall health. The top of the soil can look and feel dry, even though it is quite moist just below the soil line. Watering at night encourages dampness, which is a prerequisite for fungal attack. DON’T water too frequently or too little. This is a problem if night falls and your plants have wet leaves. This is detrimental to your plants because it leads to mold and fungal growth around the roots and on the stems and leaves. In the current hot breezy weather it is probably best to water in the early evening. Water when the air temperature is above 40° F, and don’t water if there’s snow or ice on the ground. Although there is less evaporation at night, watering your garden at night may cause serious harm to your plants. Here are 10 steps to ensure you water your garden just right without any wastage. During the colder months, it is critical to water your plants in the morning or early afternoon to ensure that the moisture moves into the soil efficiently before the night arrives. Will It Kill Plants to Water Them Before a Freezing Night? An easy test: Stick your finger into the soil all the way to the second knuckle. View our. Some homeowners water their lawns based on a common misconception: that our hot summer days make daytime watering useless. Any watering moisture on the plants at night cannot be expelled by the stomata. Instead, water during the day, when the evaporation and transpiration rates are at their best. Evening watering provides an average of 8 hours of darkness when the plants have sufficient time to absorb moisture from the soil. After a night time soak, leaves can stay wet for a pretty long time since they don’t have the day’s sun to dry them off. Watering at night is not the best for your plants’ leaves or overall health. Plan on watering your trees in the morning, particularly on hot, summer days. Why It Is Bad to Water Plants at Night. All Rights Reserved. In fact drinking water before night have some many advantages. Similar to human respiration, plants exchange gases and moisture with the surrounding air using transpiration -- tiny holes, called stomata, open and close to release water vapor. Here’s why. Do not water your garden at night. By watering your plants at night. Too much, and the soil is soggy and the plants grow week, too little and they can die or produce poor crops. Writing professionally since 2010, Amy Rodriguez cultivates successful cacti, succulents, bulbs, carnivorous plants and orchids at home. Watering at night is especially harmful if it is during the winter. Changes in light, food and watering techniques always carry the risk of having an adverse effect on a plant. It supplies them with a stash of water to get through the day’s heat. Or sprinkler system, causes the foliage, flowers, and the reasons you should avoid watering,... Is it to stand under your towering trees, listen to the roots you. 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