Is Rain Water Good For House Plants

When it snows or rains outside this winter, gather some liquid from the sky for your indoor plants. Water from the rain and snow is a panacea for houseplants.

Nitric acid, a type of natural fertilizer found in rain and snow, is present in diluted form in both. Your houseplants may become healthier and greener as a result. Many indoor plants prefer an acidic environment, which includes snow and rain. The rain becomes considerably more intense in the presence of thunder and lightning.

Here are some suggestions for collecting rainwater and snowmelt for your indoor plants.

Put snow in a bucket and compact it well. Bring it inside, then place it in a basin or bathtub to melt. Before using the water to water, wait until it is at room temperature, which is between 70 and 75 degrees Fahrenheit. (Studies have shown that using cold water on houseplants causes leaf spots and root damage.)

Can I water my indoor plants with rainwater?

Because it doesn’t need to be treated before use, rainwater is seen as an alternative supply of water. There are no chemicals in it. Sediment may be present, but plants are not at risk from this.

Nitrogen in the form of nitrates, which plants utilize to grow green, lush foliage, is provided by rainwater when it is used to irrigate plants. Rainwater has a pH between 6.26 to 6.8, which allows soil minerals to be released for plant nutrition. Plants in gardens and inside can both benefit from rainwater irrigation.

It depends on how it is gathered, stored, and applied to plants to determine whether or not it will be an excellent free source of water for your plants.

Should I use rainwater to water my plants?

Rainwater is a rather pure substance. Chemicals are left behind during the evaporation process, so the precipitation you observe coming from the clouds is not entirely pure at first. As it travels to the ground, it gathers up particles, pollution, pollen, and dust, but even these pollutants become less of a problem if it has been raining for a time and the air has been thoroughly scrubbed with water.

The fresh water you are drinking from the tap was once a raindrop at some point in its long history on the planet. Evaporation is nature’s method of distillation. While rainwater is an excellent, healthy alternative for uses other than drinking, tap water has been treated with chlorine and other chemicals to make it safe for consumption.

In addition to being pure and natural, rainwater is typically gentle, making it a fantastic choice for watering your plants and flowers. Actually, rainwater is a superior option for your outdoor irrigation needs because it doesn’t include the same chemicals that make tap water safe for drinking.

Rainwater collection can help you meet your water needs in excess, which will save your utility costs, at least in the summer. Additionally, it will lessen the demand on groundwater supplies. As cities expand, the need for water may surpass the availability. Municipal water agencies frequently rely on aquifers or groundwater that can be overextended. Rainwater harvesting can help delay the expensive development of water treatment facilities, which are already straining under the weight of urban sprawl, aging infrastructure, and population increase.

Depending on where you live, harnessing rainwater could be the difference between having a green lawn and healthy plants or having them wither away from thirst. Rainwater may be the only source of water for landscaping and washing the family car during periods of drought or water use restrictions. A decision between rainwater and no water at all may be necessary.

Water consumption can be reduced while still preserving the local ecosystem. In order to support fish, birds, and other animals, water that is not diverted into municipal water systems remains in lakes and rivers. Harvesting rainwater lessens the quantity of polluting rainfall runoff in addition to easing part of the pressure on the available water resources. Storm drains frequently pour contaminated rainwater directly into lakes and streams, posing serious issues for both plants and wildlife. Imagine the toxic brew of oil and antifreeze you see on the roads washing right into your favorite brook or creek.

We’ll look more closely at how much water you may expect to collect from your downspouts in the following section.

On a scale from one to 14, PH determines the acidity of water. Acidic substances have a pH below 7.0, or neutral, whereas alkaline substances have a pH over 7.0. Because dissolved substances and contaminants can alter the chemical composition of water, rendering it dangerous to people, animals, and plants, determining the pH of water is crucial. (Swanson, source)

Does rainfall aid in plant growth?

To prevent metal pipes from corroding or leaching, municipal water is frequently treated to make it slightly alkaline. For acid-loving plants like African violets or orchids, this is not the best situation.

Collected rain, which is often mildly acidic by nature, can aid in removing contaminants that have developed in your potting soil as a result of deposits from alkali tap water.

I just placed a bucket outside in my yard to catch rainfall that has just fallen. The purest water for watering plants is newly collected rainfall in buckets. At least during the rainy season, collecting it is simple.

If you collect rainwater from your roof using a rain bucket or gutter downspout, the water may contain traces of contaminants from your roof, particularly if you have composite shingles, as well as contaminants from bird droppings and other animals like squirrels who may spend time on your roof. You shouldn’t drink this water, though it might be fine for plants.

Organic materials in the form of insect larvae or algal development may be present in rainwater that has been collected. Nitrates, which are necessary for plant growth, are also found in trace amounts in rain.

For your houseplant, filtered or distillated tap water is preferable to plain tap water. The compounds found in unfiltered water are not present in reverse osmosis filtered tap water, deionized water, or distilled water.

Make sure the water you use to water your houseplants is at room temperature to avoid stressing the roots of your plants, regardless of the type of water you use. As saturated soil or standing water may harm or kill root systems, make sure your pots contain drain holes. Also keep in mind that more houseplants die from overwatering than from underwatering. Before watering most plants, wait until the top inch of soil feels dry to the touch. The soil in indoor plants shouldn’t be wet, just just damp.

How long will plants benefit from rainwater?

The advantages of using rainwater for plants are probably well known to you, but how long can you store it before putting it on your plants?

Rainwater usually gets contaminated after a week or so. By preventing it from coming into contact with animals and insects as well as light, you can extend its life indefinitely.

Is rainwater preferable to tap water for plants?

In addition to being a cost-effective way to water your plants, collecting rainwater from gutters and downspouts into a rain barrel also aids in protecting the greenhouse’s structure.

In addition, because rainwater is not chlorinated like tap water is to make it safe for drinking, it is excellent for plants. Additionally, rainfall is soft and includes nitrogen during thunderstorms, which is crucial for plant growth.

What kind of water is ideal for indoor plants?

Maybe you’re unsure whether tap water is safe for your plants. It depends, is the succinct response. Unless it has been softened, most tap water should be fine for your houseplants. Softened water contains salts, though, which can accumulate in the soil over time and cause issues. Although most houseplants can tolerate chlorinated water, a filtration system is far better for your plants. Rainwater collection is an additional choice.

Is rainwater more hygienic than regular water?

Suitable Rainwater for Drinking Pollution, pollen, mildew, and other toxins are present at very low levels—possibly even below the level of your public drinking water supply. You might wish to treat rainwater before drinking it because rain does occasionally bring up dust, insect pieces, and low quantities of bacteria.

Can I leave my plants outside in the rain?

In most cases, leaving potted plants outside in the rain is acceptable and even preferable. Rain surely gives plenty of water, which is essential for plant growth. Leaving container plants out in the rain is typically not a problem as long as your pots have adequate drainage holes. However, rain might harm your plant if it falls during periods of strong winds and freezing temperatures. Storms can also pose a risk by dumping an excessive amount of rain, which puts your plant in danger of drowning. So, go ahead and leave your plan outside in light to moderate rain, but bring it inside if the wind and temperature pick up.

Why does rain make plants appear greener?

WMC – MEMPHIS, TN You are not seeing things if you observe that the grass appears greener after a shower.

Rain makes lawns appear greener for a variety of reasons, but nitrogen is one of the primary ones.

More water is accessible to plants in the soil after a rainstorm. In addition to absorbing that water, plants also absorb nitrogen from the organic matter in the soil.

Smaller roots of growing plants die and are replaced by new roots. During this process, the dead roots will decompose.

Chemical substances primarily made of carbon, but also include some nitrogen, make up the roots. The decomposition of dead roots can be triggered by carbon and nitrogen. A portion of the nitrogen is then returned to the soil when this happens.

In the end, nitrogen promotes growth and makes the world green. In a sense, rain fertilizes the grass by removing nitrogen from the air as it falls.

More nitrogen may be released if rainwater saturates the soil. The grass may benefit from the recently fallen rain since the water helps to flush the roots, which might enable the roots to absorb the new nitrogen and draw on the nitrogen that was already present.

Another explanation is the way that water interacts with light, which can give objects a darker appearance.

What makes plants favor rainwater?

The fact that rainwater is the best type of water for plants may not come as a surprise. Imagine your thirsty plants being drenched in drops straight from the sky, with their leaves carefully directing the bounty down stalks and into the soil, where it will be most helpful to the roots.

Why is rainfall such a popular source of water? There are actually four reasons, not just one:

Rainwater is soft water in its entirety. Rainwater is pure hydration because it is devoid of the salts, minerals, treatment chemicals, and medications that can be found in municipal water, groundwater, and surface water. Your soil gradually accumulates salts and chemicals, and these residues are difficult for plants to grow in. In potted plants where the accumulation is more obvious, this impact is accentuated. Rainwater can help remove harmful contaminants from your soil and restore its health.

  • Naturally, rainwater has a slight acidity. Most organically grown plants like soil pH levels between 5.5 and 6.5, as green gardeners are aware. This is within the natural pH range for rainwater because it is on the acidic side of the neutral pH scale of 7. On the other hand, city water is treated to be alkaline and can have a pH level as high as 8.5 to prevent metal pipes from corroding. Greywater, or used water from a washing machine, shower, or bathroom sink, has the same pH as tap water when it first enters your home, but depending on the types of soaps and detergents it contains, it may reach a pH as high as 10.5 once it reaches your garden. Use rainwater for irrigation to clean the soil and maintain the ideal pH level over time.

A gravity-fed drip irrigation system connected to this 6-barrel BlueBarrel Rainwater Catchment SystemTM irrigates a front yard that conserves water.

Organic materials can be found in rainfall that has been stored. Rainwater may contain small amounts of organic matter if it is gathered from your rooftop. The water has been exposed to anything on your roof even though it is quite clean and should flow clear. We’re just talking about direct contact exposure to things like pollen, bird droppings, leaf litter, and the like; these are pre-filtered away on their way into correctly fitted rain barrels (which perhaps not surprisingly are great for your plants). A rain barrel contains helpful organisms that keeps the water physically alive. It resembles lightly applying fertilizer each time you wet.

  • Nitrates are a significant macronutrient found in rain. Nitrate, the most bio-available type of nitrogen, is present in rainwater. One of the three essential macronutrients that plants require to survive is nitrogen, which is required for the growth of lush foliage. In reality, many types of nitrogen cannot be taken by plants. Nitrogen and oxygen combine to generate nitrates, which are designed by nature for optimal plant uptake. Most of the nitrates that plants consume come from the soil. What about the source of the nitrates? Rain!

On a personal note, I never thought I’d be able to maintain a home plant alive until I learned about rainwater. I had a little bit better luck outside in the garden, but little did I know that the potted plants were actually suffering from the excessive alkalinity, mineral, chemical, and salt accumulation in the tap water. I then discovered how to water with rainwater. I irrigate my potted plants and nursery beginnings with rainwater that I directly collect in my rain barrels and pour into a watering can. I can effortlessly apply rainfall to my in-ground garden thanks to a gravity-fed drip line. That makes such a difference, too. I now have a green thumb, but the secret is the water (shhh, don’t tell… rather, tell EVERYONE!).

At this house, two multi-barrel BlueBarrel Rainwater Catchment SystemTM configurations maximize rainwater storage.

About the Author

Owner and founder of BlueBarrel Rainwater Catchment Systems is Jesse Savou. Prior to changing careers and enrolling in a master’s program in Ecological Design at the Conway School in western Massachusetts, she received degrees in Linguistics and Spanish from Stanford. Jesse founded BlueBarrel and received her professional accreditation from the American Rainwater Catchment Systems Association after constructing her first rainwater collection system as an AmeriCorps project during her post-graduate studies (ARCSA). Jesse recognizes rainwater harvesting as one of many steps to bring our homes into harmony with the capacity of the earth to thrive. He is also a certified Permaculture Designer, graduate of the Ecosa Institute’s intensive course in Sustainable Design, and fellow of Sonoma County’s Leadership Institute for Ecology & the Economy.