How Often Do You Water Your Weed Seeds

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How much water does a weed plant need and how often should I water my weed plant? Curious? Find all the answers here! Check it out! Water plays a crucial role in keeping your marijuana plant healthy. Get tips from the experts at Leafly to keep your weed plants hydrated, and learn how to flush them properly. If this is your first time growing a cannabis plant, then these 5 tips for watering your precious crop are SURE to help. Especially tip #3

How Often Should I Water My Weed Plant?

How much water do weed plants need and how often should I water my weed plant? These are questions we receive quite often from novice growers. Time to write a blog about it!

Whether you grow weed plants in soil or some other medium such as coconut coir, watering is an important consideration that is vital to the success of your crop. Cannabis plants cannot survive without water, but when the compost is too wet, oxygen cannot get to the roots, which causes them to choke.

How much and how often do I have to water my cannabis plant?

How often and how much water you have to give to your cannabis plant is usually hard to describe. It isn’t an exact science. Autoflower strains generally need less water and can handle a mistake in watering more easily compared to feminized strains.

Yet, whatever the strain you grow, if you do not give enough water to a weed plant, it will start to sag and the growth or flowering will slowly stop. It is, therefore, important that your weed plant receives sufficient water and regularly. If you always wait until the leaves hang limp before giving water, the plan will experience stress, resulting in delays in the development of the weed plant. How often and how much water you have to give to your cannabis plant depends on several factors:

The size of the pot

The pot size ultimately determines how often you have to water your weed plant. A large pot with soil dries out much less quickly than a smaller pot with soil, so you will have to water more often to prevent dehydration. It is important that you regularly feel the earth to see if it is damp enough. Using a small pot means that the earth in the pot will heat up much faster, which will cause your earth to dry out extremely quickly. It can dry out so quickly that your pot will be completely dry after 12 hours.

Temperature in the grow room

The higher the temperature in your grow room, the faster moisture will evaporate and consequently the moisture in the soil. Since a weed plant likes higher temperatures, there is a good chance that it will be warm in the grow room. Most of the heat from the grow room comes from an HPS lamp. The higher the wattage of an HPS lamp, the more heat it emits.

When to water your weed plant?

When do you know if you need to water a cannabis plant? There is a good way to do this and that is with your hands. Earth must contain moisture, completely dry earth that is almost loose is not good. It is also not good if your pot of soil is a mud bath. Make sure you have a good middle ground, feel the earth and, if necessary, put your finger into the earth. This way you can easily estimate how dry the soil is and whether it is time to water your weed plant.

Dry earth

When the top layer of soil has become dry, the soil is no longer able to absorb water easily. This is easy to spot as the water runs out of the bottom of the pot almost as soon as you pour it in. When your pots are each on a separate dish, it doesn’t make a difference as the soil will absorb the water from the bottom.

However, when your plants are placed in a drip tray, it causes a problem because the water invariably runs to the lowest point and the plants that are there, absorb all the water from the other plants. This means that some plants receive hardly any water and others get too much. Growers often do not notice this straightway, which can lead to serious issues with the plants.

One way of preventing this is to either provide a separate dish for each plant, water in gradual stages or use a drop of liquid detergent. A flux reduces the water’s surface tension so that the earth is able to absorb it more effectively. You can also add a drop of detergent to a bucket of water but only use a tiny amount and not too often as the detergent can harm your delicate weed plants.

It is important to note that there is no general guideline to specify. A cannabis plant has different water needs at different stages and in different circumstances. However, there are some signs that the plant uses to inform you of its needs. Here are three techniques that can be used to ensure your cannabis plants are given just the right amount of water for their needs.

Method 1: Use your finger

If you want to know how much water is left in the tub, simply put your finger in it. This technique has been used for years and couldn’t be simpler. If soil sticks to your finger, it means that there is moisture in your pot. Water and earth make mud, and that sticks! So it’s fine if the top of the earth is dry, but your fingertips still contain bits of moist soil. That means that there is still some water under the dried-out layer. You can also use a skewer instead of your finger, which discolours due to water in the soil. This means that there is less chance of damaging roots.

Growing tip! Give lukewarm water. Let the water from your tap stand for a few hours so that all superfluous substances, such as chlorine, evaporate.

Method 2. Lift the pot regularly

This is one of the best methods but one that has to be done regularly over time. It’s simple: every time you water, you lift the pot. Lift it before and after watering. You will then automatically notice a difference in weight. Extra water makes a heavier pot. After a few weeks of practice, you will increasingly feel the difference. This allows you to perfectly estimate how much water your weed plant needs this time. Experienced growers only have to lift a pot to know how much water they have to give.

Method 3. View the appearance of the leaves

How much water do weed plants need? Your plant is actually able to show you. Do you see the leaves facing the sun? Are the leaves tilting upwards? These are good signs, your plant is happy with its growing conditions. Do you see leaves hanging down and looking droopy? Then there is a strong chance that you have given either too much or too little water. If you have not given enough water, the leaves will be very thin and fragile. If you have given too much water, the leaves are thick. After all, there is a lot of water in the leaf.

Method 4: Use a moisture meter/tensiometer

Insert a moisture meter into the soil and measure the amount of moisture there. This is a rather lazy method and is not always very reliable. Our experience shows that working with a similar instrument only causes long-term difficulties. Anyone can learn how to grow cannabis, including how to ‘manually’ determine how much your plant drinks. You need to know what to do if the meter’s battery runs out. How will you know how much water your weed plants need?

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Growing tip! Is there dry and contracted soil in the pot? Does the water run underneath your pot along the edges? First, give half a litre of water so that the earth can expand. Wait for half an hour and then give some more water.

Growing tip! Do you grow with certified organic food and do you add useful fungi to your soil? Then your soil may well stay a little wetter compared to a mineral diet. The fungi and bacteria need moisture to multiply and stay alive. The fungi in the mycorrhiza also retain moisture and need moisture. Of course, you do not want your carefully constructed ‘living soil’ to be destroyed by a drought period. That would be a shame.

Create nutrient water

When preparing nutrient water, you must follow the correct order and give the water the chance to warm up to the right temperature. When the water is significantly colder than the ambient temperature, the cannabis plant suffers a temperature shock. Similarly, water that is too hot can lead to the roots struggling to get enough oxygen. The temperature of the water also affects the pH value.

The best plan is to allow the water enough time to heat up in your grow room until it gets to the right temperature. You could leave it overnight.

How to give the water?

You could use a watering can if you only have a few plants. Watering cans generally work well, but it’s difficult to water a large number of weed plants with a single watering can because you have to keep filling it up. Use a feed that is formulated for tomato plants.

A hosepipe connected to a large container is a good solution as you can add nutrients and ensure it is the correct temperature.

Keep the plants on trays or saucers so that excess water can be removed and the plants are not left in standing water. Trays are more convenient as you can deal with more plants at the same time.

Ensure that the pots or containers have plenty of drainage holes to prevent excess water from remaining and the roots from rotting.

You will need to water your plants more often at the start of the grow and less as they mature. Always check the soil every two or three days at a minimum.

Follow these tips for healthy cannabis plants and a delicious crop of weed!

How to water and flush marijuana plants

Like all plants, cannabis requires water in order to perform its basic functions. Water helps plants absorb nutrients from the soil and then moves up the plant and into the leaves, and without it, the plant can’t survive. But giving a marijuana plant the proper amount of water may be more difficult than you think.

There isn’t an exact science for watering a weed plant. You can’t observe the roots in most cases to see if they need water. Also, a plant is constantly growing and the climate it’s in will fluctuate, so the amount of water it needs constantly changes.

Here are some tried-and-true tips to keep your weed plants healthy and properly hydrated.

How often should you water marijuana plants?

A common mistake first-time growers make is to overwater marijuana plants. A cycle of wet and dry is healthy and necessary for the roots of a plant to grow out and reach deeper into the soil.

Additionally, roots pull in oxygen as soil dries and when soil is too wet, the plant can’t pull in oxygen efficiently and essentially can’t breathe.

Below are general estimates and are meant to give growers a rough sense of frequency of waterings; if a plant needs water and it falls outside of these ranges, water it.

Plant stage Water every # of days
Germination 4-7
Seedling 3-7
Vegetative 2-4
Flowering 2-3

How to tell if a cannabis plant needs watering

The best ways to tell if a weed plant needs water is to:

  • Stick a finger 1-2 inches into the soil—if it’s wet, hold off; if it’s dry, it’s time to water.
  • You can also pick up a pot and feel its weight to determine if it needs water. This will take some experience—be sure to lift up your pots after watering to get a feel for how heavy they are when full of water. This will also give you a sense of what a light, dry, plant feels like.

An under-watered marijuana plant looks droopy and weak, with yellow or brown leaves; there is no strength in the leaves and they look lifeless.

Leaves of an overwatered plant look slightly similar in that they droop, except the leaves will be dark green and the leaf tips will be curled.

Note how often you water plants and write it down in a log. Get your marijuana plants on a watering schedule—as they grow out of the seedling stage, watering every two to three days is ideal.

Keep in mind that as plants get bigger, they will need more water and need to be watered more frequently.

When growing weed outdoors, you’ll need to water more often as the weather gets hotter and less often as it cools.

When you find the sweet spot between too wet and too dry, your plants will flourish.

How much should you water marijuana plants?

The amount of water your marijuana plants need depends on a few factors:

  • Size of plant
  • Outside temperature
  • Overall health
  • Stage of growth

You want to water a plant enough to soak all the soil in the pot. Water should pool up on the surface of the soil when you’re watering, and come out the drainage holes in the bottom of the pot after a couple seconds. If water sits on the surface of the soil, that means it’s too wet and doesn’t need more water.

If a weed plant is very dry, water will run straight through the soil and pot and quickly come out the drainage holes. If this happens, water the plant a little bit and then come back to it after 15-20 minutes and water it again, and maybe even a third time. This allows the soil to slowly absorb water until all of it is thoroughly wet.

Roots are constantly on the hunt for water as they grow and stretch out. As a plant gets bigger, so should the watering radius—the area around the stalk of the plant that you water. Doing this will help guide roots to the edges of the pot as they seek available nutrients in soil.

Watering too far away from the roots can create standing water, which can lead to root rot, mold, and pest issues.

Is your container the right size?

To properly water a cannabis plant, it needs to be in the correct size container, or a big enough hole if it’s in the ground. If a pot is too big, the plant’s roots can’t drink water where they don’t reach. If the roots aren’t absorbing water, water will sit in soil and take a long time to evaporate, which can promote root rot and unwanted insects and fungus.

Conversely, if a container is too small, the roots won’t be able to stretch out, which can stunt the growth of a plant. Less soil also meant you’ll need to water the plant all the time, which will add labor.

Ideally, cannabis plants should start in a small pot and progress to bigger and bigger pots as they outgrow each container. For example, you can start a seedling or clone in a 4″ or 1-gallon pot, then move on to a 2-gallon, 5-gallon, 10-gallon, and so on.

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Plants are ready to transplant when a healthy root structure encompasses most of the soil and the roots aren’t bound. When transplanting, take time to look at the quality of the roots: Bright white roots with a strong, thick structure is a sign plants are getting watered correctly.

What is flushing?

Flushing is an important part of the marijuana growing process, when you stop giving a marijuana plant nutrients and give it straight water. This is done to flush out nutrients that may have built up in a plant during its life.

Flushing is done for about a week before harvest, at the end of a plant’s flowering stage when buds are almost ready to cut down.

A flush can also be done to clear plants of nutrients if they have a nutrient imbalance, such as nutrient lockout, when your plants are overloaded with nutrients and unable to absorb new ones.

How to flush weed plants

Flushing marijuana plants before harvest

The final flush should occur for a week or so before you cut down weed plants for harvesting. Water your plants with the same amount as you normally would, but only with water. This will force the plant to use the nutrients stored within it—if its nutrient reserves are not used or broken down, it could affect the quality of your harvested buds.

By looking at the trichomes on marijuana plants, you’ll be able to tell when the plants are ready for a flush—begin when they start turning milky.

Different growing mediums require different flushing timeframes before harvest:

  • Soil: 7-10 days
  • Rockwool and coco: 7 days
  • Hydroponics: 5-7 days

If growing in amended organic soil, it is not recommended to flush plants. This is because the soil already holds all the nutrients the plant needs to thrive, and by flooding the soil you can wash away and damage the complex ecosystem that you’ve worked hard to develop.

When to stop watering before harvest

Water your marijuana plants as normal when in the flushing phase—don’t let them get too dry or too wet. Make sure not to harvest dry or wilting weed plants—they should be nice and healthy when you cut them down.

Top Five Tips for Watering Your Marijuana Plants

As marijuana is a plant, it needs water, nutrients, sunlight, and air to grow. Although it is traditional to use soil as a planting medium, there is a myriad of alternatives on the market. However, no matter the medium, proper hydration is the be-all and end-all of successful marijuana plant growth. It is especially the case since it consists of 80% water!

Too many new growers make the mistake of believing that watering their plants is an easy process. The main crime against weed plants is overwatering. For some reason, newbies also tend to think it is essential to saturate their crops. If you add too much water, you run the risk of obstructing your crop’s oxygen intake. But if you under-water your plants, they get thirsty, and their leaves start to wilt.

An overwatered marijuana plant often has drooping leaves. Unlike wilted plants, the leaves of overwatered plants are so saturated with water that they curl in on themselves. Remember, your weed uses its root systems to breathe air. When you flood these roots, you’re in danger of drowning the unfortunate plants. Another sign of overwatering is yellowing leaves.

Spotting an under-watered plant is easy. Such marijuana plants look weak, lifeless, and will display clear signs of wilting. In extreme cases, the leaves are brittle and feel like paper when touched. If you have a cannabis garden for the first time, keep reading to learn more about optimal watering strategies.

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Homegrown CannabisCo are the masters when it comes to seeds. Offering a massive variety of cannabis seeds that are well categorized, not only does this company create a resource for superb quality options including feminized seeds, it also provides extensive growing information for those looking for some support along their journey.

Best Products for Hydrating Cannabis Gardens

Below, we provide you with a list of useful products that will help you water the plants correctly. They are designed to take the guesswork out of proceedings and reduce the risk of underwatering or overwatering your precious plants. No matter what option you choose, bear in mind that there are different growth cycles. Each of them requires a unique watering schedule.

Here is a quick overview:

  • Seedling Stage: It is best to water twice a day, to begin with, but focus on frequency over volume.
  • Vegetative Stage: Daily watering works best if you’re using small pots. If you have large containers, switch to watering every two days.
  • Flowering Stage: Water every 2-3 days.

As for pot size, you have to choose your container carefully if you wish to hydrate your marijuana plants properly. Common sense tells us that the plant can’t consume all of the water if its roots can’t reach! If you have a container where the roots don’t reach, you have leftover water. This moisture then becomes a target for root rot, insects, and fungi.

As a rule of thumb, start things off with pots or cubes that are one square inch apiece. As your plants grow, increase the size of the container to four square inches. Eventually, you will need a one-gallon pot, followed by a two-gallon container, and so on. Upgrade the pot each time your plant outgrows it.

Tip #1 – Use Smart Pots

These particular pots are made with canvas to help your marijuana plants’ roots breathe. They also enable water to drain and ensure heat escapes. Smart Pots are a prevalent option amongst indoor growers. Some users point out that they tend to dry out faster than with standard containers because the air passes through them. Once you get used to this adjustment, you’ll thoroughly enjoy using Smart Pots.

Tip #2 – Employ a Drip Line System

If you have a large crop or are gardening in a hot climate, a drip line system could be a lifesaver. It enables you to water your plants and distribute the liquid consistently evenly across the container. Let’s say you use Perlite and overwater your pot. You will find that the volcanic glass rises to the surface where it loses its effectiveness.

As a bonus, controlling the frequency of watering and the volume of water you add helps you manage nutrient supply. A proper drip system will include a series of small tubes and droppers. These connect your water supply to each plant in your garden.

Tip #3 – Add Perlite

Although this heat-treated volcanic glass is an exotic material, it is becoming increasingly popular in marijuana growing circles. It is typically added to growing mediums because it improves the structure of organic soils. As it is a neutral substance, it doesn’t impact the pH of your water or nutrient EC.

When you heat this natural substance over 1,400 degrees Fahrenheit, it expands enormously to become Perlite, a commercial material. You will notice how white it looks, and you can purchase it in fine, medium, and coarse grades. If you use a lot of nutrients in your plants, add up to 50% perlite. Reduce to 20% if you don’t plan to add a massive amount of additives and nutrients.

Tip #4 – Invest in a Timer

If you use a drip line system, you automatically use a timer. It reduces the amount of work you need to put in because the system waters the plants on a schedule. It also controls how much water you use. Once you have a system with a timer, it ensures your marijuana plants are well taken care of. You can even leave the state and allow your timer to do its thing.

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Tip #5 – Look at Other Auto-watering Cannabis Systems

We have already mentioned the drip line system, which is a form of auto-watering cannabis plants. It is difficult to emphasize how much time and stress one of these systems will save you. It is only when you attempt to water manually that you genuinely understand.

Aside from the drip irrigation option, you can also choose sprinkler irrigation. Once again, it is activated when scheduled. Instead of providing water to each pot individually, a sprinkler system disperses water across all plants.

It would be remiss to suggest that auto-watering cannabis systems are foolproof or free from disadvantages. They aren’t especially easy to set up, and such a system could prove excessively expensive for small home growers. If you use a drip system in particular, you have to check and clean the pipes regularly to stop clogging. Otherwise, you risk allowing mineral and algae build-up, which may result in hampered water flow.

Also, if your system dispenses the water beneath the soil, you won’t know if it is feeding your plants properly. If there is a problem, you won’t notice for several days until your plants start showing signs of distress. Finally, you can’t merely set up your system and leave your crop alone for days on end. Regular checks for signs of disease or ill-health are essential.

How Often Should You Water Cannabis Plants to Benefit from Good Buds?

We offered some very generic outlines of how often you should water your seedlings, along with plants in their vegetative and flowering stages. However, there is no ‘hard and fast’ rule. Everything depends on the climate, type of strain, the growing medium you use, and whether you’re growing indoors or outdoors.

Overall, it is a ‘safe bet’ to water your plants a little. Ideally, you’ll reach the point where you soak the pot with a little bit of runoff. While the water should remain on the surface briefly, it needs to drain into the growing medium relatively quickly. Next, you have to monitor your plants carefully and look for signs of underwatering or overwatering.

As for when to water your plant next, experts agree. They say that when you use soil, you should water the plants once the first couple of inches of soil feels dry. Another telltale sign is if the container feels exceptionally light. Are you adding nutrients to the water regularly? If so, add enough water to get up to 20% runoff that drains out of the container’s bottom. This process prevents a build-up in your soil.

Experience Helps

When you know about checking the soil regularly, you should get a feel for how often you need to water. You also learn more about the volume of water required. Water the marijuana plants at the first sign of the leaves wilting.

A lot of new growers tend to rely on their trusty watering can. It isn’t a bad option when you only have a handful of cannabis plants to worry about. However, once you have a substantial garden, your can is too small to fulfill the demand for water. You can persist, but it will involve multiple refills.

An increasing number of cultivators are investing in devices such as Battery-Operated Liquid Transfer Pumps. These pumps enable you to pump water from a large container to your weed. The most popular options are capable of reaching the bottom of a 3-gallon jug.

When watering weed, there are some other considerations.

pH Monitoring

Even if you get the watering process correct, a low-quality water source could undo all of your hard work. The pH scale runs from 0 – 14 and determines how acidic or alkaline a substance is. 7.0 is considered neutral, and clean water’s pH is in and around that mark. The pH of water dictates your plant’s capacity to absorb nutrients. For the record, 0 – 6.9 is acidic, while everything from 7.1+ is alkaline.

Through trial and error, growers have determined that marijuana plants grow best at a pH of around 6.5. You can measure pH by adding a pH meter to a sample of water runoff. This is ideal because runoff water has passed through your grow medium and drains from the container. If the pH is too high or low, you need to purchase a particular product. The goal is to ensure it is as close to 6.5 as possible.

Parts Per Million (PPM)

PPM measures the number of minerals dissolved into your water source. For instance, a reading of 115ppm means there is 115 milligrams per liter of minerals present in your source. During the vegetative stage, the ideal PPM is 500 while it rises to 1,000 during the flowering stage. Invest in a TDS meter. It measures the water source’s PPM and ensures your plants are not receiving too few or too many nutrients.

Water Quality

Unfortunately, you may live in an area where the water quality is compromised (Flint, Michigan anyone?) If this is the case, the water you use on your plants may have bacteria and other pollutants. These unwanted additions could contaminate the water. Trying to grow plants in these circumstances will only lead to disaster.

To prevent a catastrophe and the waste of countless hours, money, and energy, invest in a reverse osmosis (RO) filter. These filters remove up to 99% of dissolved salts within the water. As a result, your marijuana plants get the cleanest possible end product.

Conclusion: Watering Cannabis Plants

If you have never grown marijuana plants before, you will be shocked at how much effort goes into the process. It isn’t just a case of planting them, adding nutrients, and watering as and when you feel like it. There is a range of details to consider if you want a strong and healthy crop.

Watering your marijuana plants is the most crucial consideration. However, it isn’t as easy as getting a watering can and using it like you would with a bunch of roses. When choosing a watering schedule, you have to adjust depending on whether you grow indoors or outdoors. Climate considerations are also of paramount importance since heat and humidity have a significant impact on cannabis plants.

Finally, you have to consider your growing medium. If you have a small garden, manual watering with a traditional watering can is fine. If you have a more extensive operation, it is worth investing in an auto-watering cannabis system. It will help take the stress out of matters. When all else fails, the weight of your pots can serve as a useful watering guide.

If they are cumbersome, it means the soil is too wet, and you should wait for a few days. If they are too light, it is time to water immediately. It is especially the case if the plant’s leaves are showing signs of wilting.

EDITOR’S CHOICE – Homegrown CannabisCo

Homegrown CannabisCo are the masters when it comes to seeds. Offering a massive variety of cannabis seeds that are well categorized, not only does this company create a resource for superb quality options including feminized seeds, it also provides extensive growing information for those looking for some support along their journey.

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