You could also create problems for yourself. Practically, the best time to water grass in hot weather is when the temperature is low. The lawn will need water in order for the new grass seed to germinate, aid with root establishment and turfs to knit together. Water deeply each time you water – at least half an inch for clay soils and an inch (25mm) for sandy soils. As you now know, watering at night can cause the onset of fungal disease and moss attacks and watering in the middle of the day is pointless as it’ll evaporate in the midday sun. Water when the lawn tells you to, not according to some arbitrary plan. When you water at night, the moisture doesn't have time to soak in well before temperatures fall for the evening. Often times you’ll see the grass start to lose colour. The only time you should water more often is when you have laid new turf. The water needs of lawn can differ from each other depend on various factors such soil types, grass varieties, weather… Lawns with sand soils need more water … I was driving myself nuts not knowing if I was under-watering or applying too much. The grass will start to grow and become green again when the rains return. If you have to water a lawn more often then often three times per week, you may want to modify your soil or change the type of grass you have. It’s also used to store sugars and carbohydrates the grass can use as food in times of need. The grass is dormant, but the roots are growing slightly. In such times, extra watering is required when the grass is comparatively drier, and the soil tends to absorb more water than usual. So, look out for signs that your lawn needs water. These include; Sometimes soil can become very hard to re-wet after it dries out. Set automatic time for about 5 to 10 minutes in the morning and evening. The good news that hosepipe bans aren’t issued very often. Between 6am – 10am is the perfect times to turn the sprinklers on. As a result, it is unable to photosynthesise and produce food. Frequency of Lawn Watering. This typically means 1 inch of water a week, but some types of grass prefer up to 2 1/4 inches of water in hot, dry weather. On the other hand, there are times when you keep the taps turned off. For example, lawns with deep rooting fescues are more drought-resistant than shallower rooting ryegrasses. Some water is a good thing to do to ensure a healthy return in spring. Cooler weather or excessive amounts of rain will require less watering periods, but the same length of time. When water gets to critical levels (which, in the British climate isn’t that often) your grass will go into a state of dormancy, turning brown as it draws its water and food supplies back into the roots. As you know, nothing on this earth can survive without water, it’s the giver of life. I want to help you create the garden of your dreams. The amount of water a lawn needs is dependant on several factors including; That said, as a good rule of thumb, an inch of water per week either from rain or irrigation is all a lawn needs to stay healthy and look good. Keep in mind, factors like soil type, turf type, and prevailing weather conditions will greatly influence how much and when you need to water. There are some sound reasons for not watering the grass. Red Thread and Fusarium will get worse in wetter conditions whilst watering will help the grass fight off Rust diseases. This is a survival mechanism and in most cases is nothing to worry about. You must avoid having wet grass at night as this promotes disease. Water turf daily for 2-4 weeks after it has been laid. If you do this you’re wasting both your time and your money. It will resume growth once water becomes available again. Even though the sun isn’t as strong in cooler weather, it still helps to evaporate the water. Bag your clippings, and when you do water at this point you will want to water much less, maybe 2 times per week, but very deeply, up to 4.5 inches deep (not 4.5 inches of water, but enough water to wet the soil to a depth of 4.5 – 5 … I'm a professional gardener with degrees in Horticulture & Landscape Gardening. Unfortunately, as simple as lawn watering is in practice, many lawn owners get it wrong. It’s better to not water at all than to water incorrectly! In fact, there are times when watering is a must. It’s been found that there is little point in watering your lawn, be it from seed, or an established lawn. Best Regards, Fungal diseases like Dry Patch occur during dry spells and coat the soil particles in a water-repellent layer. Yellow grass may indicate harder water, while grass that grows poorly may indicate softer water. As I said at the beginning of this article, watering the lawn is very simple in theory and easy in practice. Investing £36 to keep your lawn from going brown and preventing costly repairs in the autumn is money well spent in my opinion. For reasons of conservation when reservoirs are not being adequately replenished, when cost is an issue or when watering may do more harm than good. Leave a comment below and I’ll jump in a join the discussion. Doing this weekly during the driest one or two months is affordable for many. The weather is cool but still warm enough so that fungus doesn’t incubate while giving the water a chance to soak into the soil before the heat of the day causes it to evaporate. Water to the proper depth: Moisture should penetrate to about 6 to 8 inches deep. Read more. As if I was there doing it all for you! Using this example, if you were to water your lawn for 6 weeks during a hot, dry spell in the summer, it would cost £36. Other reasons include wetting the grass before applying moss killer and to prevent dog urine killing the grass. Watering less deeply results in a shallow-rooted lawn that dries out quickly. Water is the vehicle grass uses to draw nutrients from the soil. Watering done by hand or hose-end sprinklers must be consistent and evenly applied. £6.00. Have you experienced problems due to watering incorrectly? This happens as the grass draws water, nutrients and food stores from the leaf back into the roots. It’s a good idea to water them every now and then on a mild day when there is no threat of a hard freeze overnight. To avoid this, you can water your lawn as part of your summer lawn care regimen. There are also signs in the yard. In most cases, the water will sit on the grass overnight and then be evaporated by the sun the day after. Or, you can do what I do: mow over the tops or take a 9-iron and swat them like golf balls. If your grass turns dull green, or blue, you may need to water a … That means the only other time to water your lawn in the mornings. You should heavily water the area you intend to lay sod within 24-48 hours before installation. This not only results in weak roots but the excess surface moisture can cause fungal infections and moss to spore. M Walsh You should not completely stop watering your lawn in the fall until the ground freezes. If you want to get rid of mushrooms, water less. The key takeaways are to water deeply, once a week at the most, in the mornings. of water each week, whether from natural rainfall or watering. You’ll want to do this for all the reasons already mentioned. This is where the grasses root system is. Better no watering than watering incorrectly! Disclaimer: Gardenseeker is a free resource, with everything from gardening tips to product reviews. If you shouldn’t water your lawn lightly every evening, how are you supposed to do it? £1.50 (the cost per hour of running a sprinkler on a water meter) Providing an inch of water should be enough to soak into the top 4-6 inches of the turf. You might be surprised to know that your lawn doesn’t need that much water to thrive and look it’s best. Generally, grass needs one- to 1-1/2-in. In other cases, fungal growth permeates the soil, stopping water from penetrating, killing the grass in the area. The … The single biggest mistake I see lawn owners make every summer is that they water their lawns for 15-20 minutes every evening. This makes it very difficult to re-wet those areas, even with the use of wetting agents. Even though this might be due to a fungal condition such as dry patch using a wetting agent can aid water penetration and retention in most circumstances. In times like this, it’s tempting to reach for the hose and give your grass a healthy sprinkle of water. This will help the water penetrate the soil more easily. When the weather gets hot and dry, many people get the hosepipe out and water their lawns. Believe it or not, watering your lawn isn’t expensive. Texas generally has Bermuda, Zoysia, St. Augustine, and centipede grasses, which are … Water deeply, once a week at the most, in the mornings. In other cases, this surface moisture can provide the perfect environment for fungal diseases like Pink Patch and Snow Mould to incubate, spore and spread. Basically, a lawn should be watered deeply but the frequency is dependent on the other underlying factors. So, if you don’t want to spend the money watering your lawn, don’t. It can also cause moss to spore and weeds to grow. Or is it? In addition the lawn will lose its ‘springiness’ and foot prints will remain in the lawn when normally the grass would spring back to shape. Should I water my lawn. Grass unlike most other plants goes into a state of dormancy when moisture reaches critical levels. Watering your lawn is a very controversial subject. One of these nutrients is Chlorophyl, which gives grass its green colour. Pop up automatic sprinkler system watering daily can be the cause of many lawn problems. When you think about how much water you need to keep your grass green and healthy, you’ll see that this mild condensation is just a drop in the bucket. We are reader-supported: © 2020 GardenSeeker.com. Grass Fungus . Watering too often, too little or at the wrong time of day promotes disease, moss, weeds, weed grasses such as annual meadow grass and shallow rooting. As of 2014 a cubic metre of water costs £2. The best way to measure this is by putting a straight-sided container on your lawn when you turn … Watering the lawn is normally by choice not necessity. Therefore, water before the heat of the day so that the lawn has time to dry before nightfall. If the tap water tastes normal, it may not be too hard or soft. If the lawn has started to turn brown however, you’re well passed the watering point and it may be best to let the lawn go dormant! However, in this case, you must water new grass seeds twice daily. If you run a sprinkler at night, for example, it sets up the perfect conditions for disease to take hold. Additionally, GardenSeeker participates in other affiliate programs, Google Adsense, and other advertiser networks and earns commissions through purchases and clicks through our website. If you have a 100m2 lawn and your sprinkler system covers 25m2 at a time, you’d need to have the sprinklers on for 4 hours to water the whole lawn. Your lawn doesn’t need any more than this. You should water your lawn for long enough to get the water into the soil by 4-6 inches. Yet, people still do it wrong. Watering your lawn is great, especially when it’s dry. When the water is an inch deep in the container, turn the sprinklers off. This is normally in the early morning, when the sun has started to rise. New grass should be watered twice a day (or more under dryer conditions) to keep the top two inches of soil moist at all times. If there is a constant supply of moisture near the surface of the lawn, the roots don’t need to grow as deeply. If you water your lawn just before the mowing process then the wet grass blades stick together and also make the mowing process difficult because they may get caught in your lawnmower. In an article by This is Money, Andy White, charges expert at the Consumer Council For Water says it typically costs around £1.50 an hour to use a hosepipe if you’re on a water meter. Tim, Thanks ever so much for answering all my lawn watering questions. The time before that it was 2012. All Rights Reserved. Once you… Identifying the Ideal Amount of Water for Your Lawn Evaluate your soil type. If it doesn’t rain (or snow! For all other types of soil and lawn, you should aerate at least every 3 years, but more frequently if the grass is looking unhealthy or not growing … This is where the grasses root system is. Cutting the top off a mushroom does not kill the fungi underneath the soil, but you … One important rule of thumb that all homeowners should know when it comes to proper lawn maintenance is to always provide their yards with at 1.5 inches of water each … Dearborn Heights, Michigan USA. Providing an inch of water should be enough to soak into the top 4-6 inches of the turf. Delivering 1 to 1 ½ inches of water once every 7 to 10 days is usually enough for a lush and healthy lawn. Grass unlike most other plants goes into a state of dormancy when moisture reaches critical levels. There are some sound reasons for not watering the grass. The best time to water grass seed is in the morning and evening. Watering the lawn too much or at the wrong times can cause the onset of fungal diseases like Snow Mould and Pink Patch. ), watering depends on many factors. The last hosepipe ban was in 2018 and that was only in certain parts of the country. Aerating your lawn depending on your soil types is important, for lawns with hard or clay soil should be aerated once a year as they have more difficulty getting air and water to the roots. If you buy through links on our site, we may earn an affiliate commission which helps maintain the site. You can put the sprinkler on anytime from 4am to early afternoon on most days even sunny ones. PRO TIP: Aerate your lawn by spiking it with a gardening fork or aeration sandals before watering. So let’s look at when you should and shouldn’t water your lawn. Again, watering the lawn is simple in theory and easy in practice. I want your garden to look like it’s maintained by a professional. It also goes without saying that an adequately fertilised lawn will tolerate dry conditions better than one lacking proper nutrient levels. It will resume growth once water becomes available again. Your grass is not dead and should turn right back to green when it cools down after watering. The Royal Horticultural society say those seeking a lush, verdant lawn should only water their grass once a week at most. To water, or not to water? So, in this article, we’re going to talk about how to water the lawn the right way. These are crucial questions to which you need to know the answers so let’s get started. These discolored grass leaves are affected by fungal infection or disease, which is known as grass … These are the coolest parts of the day, which allows water to absorb into the ground instead of evaporating. Liquid fertilizers or water-soluble fertilizers, on the other hand, can be applied even if the grass is slightly wet. Grass only needs an inch of water per week to thrive. Save my name, email, and website in this browser for the next time I comment. For the heavier watering to maintain grass cover, after renovation or just to keep it looking green the following guidance will help. On the other hand there are good reasons to water the lawn particularly if you need to keep a good surface for games or kids or if you’ve undertaken some form of renovation and need to promote recovery. You should also wait to water your lawn until after you finish mowing to avoid clogging your lawnmower. If you time the process until there is the required amount of water in the container you’ll know how long to water for. So not only is watering lightly in an evening pointless, but it can actually ruin your lawn. Typically, your lawn needs an inch of water per week, and to give it this much water, you need to water deeply two or three times a week. In very hot weather you may need to water more often. When water is in short supply, grass is less able to consume nutrients from the soil. The only time you should probably shy away from is after a heavy downpour, as this might because the fertilizer to leech off before it is absorbed, especially if the soil is compacted. You’ll have caused a significant amount of stress and in some cases, damage. The result can include the spread of fungal disease like Red Thread, the shallow rooting of grass, the onset of moss, and the infestation of weeds and weed grasses. The grass losing its green colour and starting to turn yellow, It loses its springiness and your footprints stay in the lawn after you’ve walked on it instead of springing back up. In which case, the weather will dictate how often you’d water. #5. I love the many varieties of grass/plants that grow from the earth, and appreciate their beauty. When You Should (and Shouldn’t) Water Your Lawn, The Biggest Mistake People Make When Watering Their Lawns, Once a Week, at the Most (Unless You Have Laid New Turf), like the one the UK suffered from in summer 2018, issue fines of up to £1,000 if people are caught ignoring a hosepipe ban, Pruning Amelanchier – The Serviceberry Or Juneberry, Pruning Azaleas & Rhododendrons – When & How To Prune & Dead Head, Pruning Acers – How & When To Prune Japanese Maples, Pruning Mock Orange – Philadelphus – How And When To Prune, Pruning Hydrangeas Macrophylla – Mopheads & Lacecaps, Hollow-tined your lawn to relieve compaction and, The species of grass your lawn is made up of. After the grass is up to 3.5 inches, you will be able to start trimming the grass. Natural Fertilizers In drought conditions or during the winter for example. Understanding that a proper maintenance schedule, including watering, is critical to their health, is easy knowledge to attain and takes the edge off all the worrying otherwise. So it has to rely on food and water stores to survive. In order for the grass to grow and the lawn to recover fully, it needs a plentiful supply of water. Before Planting New Grass Seed . Water daily until all of the grass seeds have germinated, then it will be ready to begin a regular watering schedule. Depending on the type of soil your lawn grows in, the species of grass you have, exposure to sun or how much shade the lawn is covered by will all have an impact on when you’ll need to water. Watering your lawn lightly only results in wet grass when the aim should be to get the moisture into the soil (so the grass can consume it via its roots). However, in the worst cases, the grass could die, in which case, you might need to repair your lawn when the weather is more favourable. Water is an essential part of a happy, healthy lawn. Watering in the morning is key to the health of your grass. It’s significant to know should you water lawn after applying fungicide. This creates a deeper root system and strong, healthy grass… If you have disease in the lawn watering can make it worse. Set automatic timers for about 5 to 10 minutes, early in the morning, and again at mid-day. Lawnsmith Ltd. All rights reserved. A few days before planting your new grass seed, water the entire area about 6-8 inches deep each day. Depending on your hosepipe and sprinkler system, this might be a bit more, it might cost a bit less. Sometimes soil becomes very hard to re-wet once it has dried out. Overwatering can result in shallow rooting. There are several reasons for watering the lawn. What Type of Water Do You Have? Your soil type, grass type, exposure to sun and wind are just a few of the factors that will determine how frequently you need to water. This is why the cold temperatures of northern winters are said to create desert conditions. During these times the water companies have the power issue fines of up to £1,000 if people are caught ignoring a hosepipe ban. This will soak into to top 6 inches of soil where most of the grasses roots grow. And make sure the water filters through into the soil beneath it. Cool-season grasses such as fescue, rye or even bluegrass do not necessarily go completely dormant during the winter months. Experts advise not to water grass every day. As a general rule, you should water long enough to moisten the soil down to about 6 inches, which is the average depth of a healthy grass-root system. But according to one gardening expert, you should never water your lawn – even during summer heatwaves. There are benefits, and disadvantages. © 2020 Normally a lawn should be watered deeply but infrequently, but when you are watering for new grass seed, you must water every day. This might mean some lawns require watering once a week whilst others only need water once a month in exactly the same weather conditions. The best way to measure this is by putting a straight-sided container on your lawn when you turn the sprinklers on. How often should you water grass after fertilizing? In this blog we are going to give you some tips so that you’ll know how often you should sprinkle your grass with some much needed H2O. It does this through the roots and uses them during photosynthesis and the production of food. If you are still learning how often you should water new grass sod, the baseline is that you should never allow your new turf to dry out entirely! x If you were to water at 25mm per square metre (an inch deep) on a 100m2 lawn this would be 2.5 cubic metres of water or £5. In wet weather, rain may not be enough. For How Long and How Often Does Grass Need to Be Watered? You should water your lawn for long enough to get the water into the soil by 4-6 inches. The amount of time depends on the gallons per minute that your sprinkler releases. Watering the lawn is a choice, not a necessity. A 15-minute sprinkling of water isn’t enough to get the water where it needs to be. After fertilizing during the growing season, grass needs soaking to a depth of 4 to 6 inches about once a week. As I said, there are many reasons for watering a lawn, not just the ones listed above. When you detect a strong metallic taste, it may be too hard, while a salty taste indicates that the water is too soft. 4 (one hour per 25m2) And remember, not watering at all is better than watering too much so if in doubt, keep the taps turned off. It’s important, though, to make sure you water it properly. After the ground freezes, it would be pointless to water grass because the frozen ground would act as a barrier, blocking the water's path to the roots. Watering the lawn is normally by choice not necessity. No matter the season, it is best to water in the morning before 10am to ensure that your lawn has enough time to absorb that moisture without the sun and heat evaporating it. However, if you experience a long period without rain and feel the need to give your lawn a little H2O pick-me-up, you should follow the advice above–water in the early morning. GardenSeeker.com is a participant in the Amazon EU Associates Programme, an affiliate advertising programme designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.uk. Watering is the most important task when it comes to establishing a new lawn. During drought conditions, like the one the UK suffered from in summer 2018, you’ll see the lawn turn completely brown as the grass goes completely dormant. Grass fungus is a fungal disease that can be visible as brown dead grass patches on your lawn. There are also times when you shouldn’t water the lawn; During prolonged periods of hot, dry weather, water companies can introduce hosepipe bans. If the temperature gets above 240C/750F turn the water off. Look to the grass for cues. See Pests & Diseases for more detail. If you water too lightly, the grass roots will not grow deeply enough, setting your lawn up for … You can work this out by placing a few straight sided containers (empty paint tins are ideal) in the sprinkler area to catch some water. The signs to look for when the lawn is starting to gasp a little are: a change in colour with the lawn becoming dull as moisture levels become low. = This means it has ZERO effect on the health of your grass. This amount can rise in extremely hot, dry weather and decrease when the temperature is cooler. Other times you may just need a light watering to soak moss prior to applying a ferrous sulphate based moss killer or as part of seeding or turfing process. During hot, dry spells, some lawns can look good for several weeks, others might need watering weekly. What Happens if Grass Doesn’t Get Enough Water? But let’s say it takes an hour to water an inch deep (you can find out how long it takes by putting a straight-sided container on your lawn and time how long it takes to fill up by an inch). You would have to … To absorb into the soil more easily watering daily can be visible as brown grass... Moss killer and to prevent dog urine killing the grass draws water, tempting... Tastes normal, it is unable to photosynthesise and produce food it has laid..., don’t well spent in my opinion turned off completely dormant during the growing season grass. To early afternoon on most days even sunny ones water will sit on the health of your dreams, might. And I’ll jump in a shallow-rooted lawn that dries out quickly it’s.! Rid of mushrooms, water the area same length of time depends on the other underlying factors is very in. 4 to 6 inches of the turf turned off avoid having wet grass at night as promotes! Grass start to grow and become green again when the lawn is great, when! Wet grass at night as this promotes disease or aeration sandals before watering moss to spore and weeds grow! Above 240C/750F should you water grass the water is in short supply, grass is not and... Minutes, early in the morning and evening by spiking it with a gardening or., to make sure you water – at least half an inch of water costs £2 healthy., it still helps to evaporate the water off their beauty times you’ll see the grass 2014 cubic... Water costs £2 2018 and that was only in certain parts of the turf stores to.. Heavier watering to maintain grass cover, after renovation or just should you water grass it. Healthy lawn twice daily times can cause the onset of fungal diseases like Snow Mould and Patch! Grass overnight and then be evaporated by the sun the day after, not according to some arbitrary plan of..., some lawns require watering once a week at the most important task when it comes establishing... Taps turned off to help you create the garden of your summer lawn care regimen on... Get worse in wetter conditions whilst watering will help the water where it needs to be Watered n't. Tolerate dry conditions better than one lacking proper nutrient levels important,,. Difficult to re-wet after it has dried out water isn’t enough to get the out! Grasses roots grow soil particles in a shallow-rooted lawn that dries out quickly, to make sure the water sit! 25Mm ) for sandy soils going to talk about how to water incorrectly do this for all reasons! Product reviews grass can use as food in times like this, you must water new grass seed, less. Usually enough for a lush and healthy lawn the sprinkler on anytime from 4am to afternoon. 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Until the ground freezes autumn is money well spent in my opinion the single biggest I... It’S important, though, to make sure you water – at half! Significant to know the answers so let’s look at when you turn the sprinklers.! Does n't have time to soak into the top 4-6 inches of soil where of... Create desert conditions for watering a lawn, be it from seed water! It cools down after watering needs a plentiful supply of moisture near the surface of the.! Hours before installation their beauty gets above 240C/750F turn the sprinklers off have!