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How often to water orchids: 8 best experts advances

How often to water orchids: 8 best experts advances

Orchids, with their breathtaking beauty and exotic allure, have captivated gardeners and enthusiasts for centuries. These elegant flowers come in a stunning array of shapes, colours, and sizes, making them a favourite among collectors and hobbyists alike.

However, successful orchid cultivation requires a delicate balance of care, and one of the most crucial factors to consider is watering. In this blog post, we will delve into the art of orchid watering and explore the best practises for how often to water orchids to ensure their health, vigour, and prolific blooms.

Understanding Orchids’ Natural Environment

To provide the best care for orchids, it’s essential to understand their native habitats. Most orchids are epiphytic, meaning they grow on trees or rocks rather than soil. In their natural environments, they are exposed to dappled sunlight, high humidity, and good air circulation. These factors play a significant role in determining how often orchids should be watered

How often to water orchids: 8 best experts advances

when to water a orchids

There are numerous methods for figuring out a pot’s moisture content. Lifting each pot and testing it is a good idea, but this only works if you have one or two plants. Even so, lifting each pot is an excellent learning experience

for a beginner, and as you become better at it, you’ll be able to tell by looking at the compost’s surface how dry the growing media is. If you have experience, you will be able to identify tiny variances such as colour variations in dry compost. If you’re still unsure, remove a plant from its container without dislodging the compost ball and check to see how damp How often to water orchids

Let the Roots Be Your guide.

When it comes to caring for orchids, the phrase “let the roots be your guide” holds significant meaning. Orchids are renowned for their delicate and intricate root systems, which play a crucial role in their overall health and well-being. As an orchid enthusiast or gardener, understanding how to interpret the signals given by these roots can lead to better care practises and ultimately result in thriving, blooming orchids. Let’s delve deeper into why the roots are so important and how they can guide us in orchid care.How often to water orchids

The Root Environment:

In their natural habitats, orchids typically grow in the crevices of trees or rocks, where their roots are exposed to the air, moisture, and nutrients provided by rainwater, dew, and organic matter. This epiphytic nature has influenced the way orchids’ roots have evolved. Unlike typical terrestrial plants, orchid roots are not designed to be continuously submerged in waterlogged soil.How often to water orchids

Adaptable Root Systems:

One of the remarkable characteristics of orchid roots is their adaptability. They have the ability to store water efficiently, which helps orchids survive in environments with sporadic rainfall. This adaptive feature means that orchids can withstand periods of drought without being severely affected, making them resilient and well-suited to various growing conditions.

How often to water orchids

Signs from the Roots

To determine the watering needs of your orchid, closely observe its root system. Healthy orchid roots should be plump and firm, often with a silvery or light green appearance. These are indicators that the roots are adequately hydrated. On the other hand, shrivelled or dry-looking roots indicate that your orchid may be in need of water.

Finding the Balance:

The key to successful orchid watering lies in finding the right balance between hydration and avoiding waterlogged conditions. Overwatering can lead to root rot and other issues that compromise the plant’s health. Conversely, underwatering can cause stress for the plant and lead to stunted growth and poor blooming.

Orchid Potting Mix:

The potting mix you use also affects how the roots interact with moisture. A well-draining potting mix, often composed of bark, sphagnum moss, and perlite, helps prevent water from accumulating around the roots, reducing the risk of root rot. The choice of potting mix should be based on the type of orchid and its specific needs.

How often to water orchids

Environmental Considerations:

Factors such as temperature, humidity, and air circulation impact the rate at which the potting mix dries out. During warm and dry periods, orchids may require more frequent watering. In contrast, cooler or more humid conditions may necessitate less frequent watering.

How often to water orchids

Consider the Potting mix.

When it comes to growing orchids, choosing the right potting mix is paramount to their overall health and well-being. Orchids, being epiphytes, have unique root systems that require proper aeration, drainage, and access to moisture. The potting mix serves as the foundation for the roots and provides essential nutrients for the plant’s growth and development. Let’s explore the importance of potting mix and how to select the most suitable one for your orchids.

How often to water orchids

Excellent Drainage:

One of the most critical aspects of an orchid potting mix is its ability to provide excellent drainage. Unlike conventional potting soils used for many other plants, orchids do not thrive in stagnant, waterlogged conditions. Standing water around the

roots can lead to root rot and other issues that may harm the plant.
A well-draining potting mix, often composed of materials such as bark, coconut coir, perlite, or lava rock, ensures that excess water can easily escape from the container. This prevents water from lingering around the roots and allows air to circulate, promoting healthy root growth.

How often to water orchids


Orchid roots require ample aeration to function optimally. In their natural habitats, orchids often grow with their roots exposed to the air, allowing them to breathe freely. The potting mix should facilitate this aeration by creating a light and airy environment.

The inclusion of materials like bark or perlite in the potting mix creates air pockets within the growing medium, ensuring that oxygen can reach the roots. This is crucial for preventing suffocation of the roots and supporting their metabolic processes.

Moisture Retention:

While excellent drainage and aeration are essential, it’s also vital that the potting mix retain some moisture for the orchid roots to access. Orchids have adapted to store water in their roots, which allows them to withstand periods of drought. However, they still need access to moisture to thrive.

Sphagnum moss is a common component used in some orchid potting mixes due to its ability to hold water. However, it’s essential to strike a balance and avoid using too much sphagnum moss, as it can retain too much water and lead to overwatering.

Potting Mix Variations:

Different types of orchids may have varying potting mix requirements. For example, Phalaenopsis orchids (Moth Orchids) prefer a fine- to medium-grade potting mix that retains a bit more moisture.

On the other hand, Dendrobiums and Cattleyas prefer coarser mixes with excellent drainage.How often to water orchids
You can find pre-mixed orchid potting media at garden centres or create your own mix based on the specific needs of your orchid species. Some growers prefer to soak the potting mix in water before use to ensure it’s adequately moistened but not waterlogged

Observe Environmental factors.

Orchids are incredibly adaptable and diverse plants, and their care can vary depending on the specific species and environmental conditions in which they are grown. Observing and understanding environmental factors is essential for providing the best care for your orchids and ensuring their health, growth, and blooming success. Here are some key environmental factors to consider when caring for orchids:


Light is crucial for orchid growth and blooming. Different orchid species have varying light requirements. Some prefer bright, indirect light, while others thrive in more filtered or shaded conditions. It’s essential to know the specific light needs of your orchids and provide them with the appropriate lighting conditions.

Observe how the light falls in your growing area throughout the day and adjust the placement of your orchids accordingly. Too much direct sunlight can cause leaf scorch, while too little light may lead to weak growth and a lack of flowers.


Orchids come from diverse habitats around the world, and their temperature preferences can differ significantly. Generally, orchids can be categorised into cool, intermediate, and warm-growing species.

Monitoring the temperature in your growing area is vital. Avoid exposing orchids to extreme temperature fluctuations, as this can stress the plants. Orchids may have specific temperature requirements for flowering, so understanding these needs can help you provide optimal conditions.How often to water orchids


Humidity is a critical environmental factor for orchids, as many species are accustomed to high humidity levels in their native habitats. In homes with dry indoor air, providing sufficient humidity can be a challenge.

To increase humidity, you can use a humidity tray, a humidifier, or mist the orchids regularly. Additionally, putting orchids in a group might produce a microclimate with more humidity.Avoid placing orchids near draughts or heating or cooling vents, as these can cause rapid moisture loss from the leaves.How often to water orchids

Air Circulation:

Orchids thrive in areas with good air circulation, replicating their natural habitats where gentle breezes help prevent fungal and bacterial issues. Stagnant air can promote the growth of pathogens, which can harm your orchids.

Place your orchids in an area with gentle air movement, but avoid direct draughts, which can cause temperature fluctuations and dehydration.


Environmental factors play a role in determining how often you should water your orchids. Warmer temperatures and higher light levels may lead to faster evaporation, requiring more frequent watering. Cooler temperatures and lower light levels may necessitate less frequent watering.

Always check the moisture level of the potting mix before watering. As mentioned earlier, the “soak and dry” method is an effective way to water orchids, allowing them to dry out slightly between waterings.

The “Soak and Dry” Method

The “Soak and Dry” method is a popular and effective watering technique used by orchid enthusiasts to provide the right amount of moisture to their plants. Orchids, being epiphytic plants with specialised root systems, have adapted to survive in environments where water is available intermittently.

The “Soak and Dry” method mimics the natural rainfall and drying cycles that orchids experience in their native habitats. Here’s a step-by-step guide on how to implement this watering technique for your orchids:How often to water orchids

Choose the Right Time to Water:

Before watering your orchid, check the potting mix and the plant’s roots. Stick your finger about an inch into the potting mix to assess its moisture level.

If the potting mix feels damp and the roots look green and plump, it means the orchid still has enough moisture, and you can hold off on watering for now.

If the potting mix feels dry to the touch and the roots appear silvery or greyish, it’s time to water your orchid.How often to water orchids

Prepare the Watering Container:

Select a container or basin that is large enough to accommodate the orchid’s pot.
Fill the container with room-temperature water. You can use tap water, but it’s best to let it sit for 24 hours to allow any chlorine to dissipate. You can also use distilled water or rainfall.How often to water orchids

Soak the Orchid:

Carefully remove the orchid from its decorative outer pot (if it has one) and place the orchid pot into the container of water.
Let the entire pot, including the potting mix and roots, soak in the water for about 10 to 15 minutes.
The roots will absorb the water they need during this soaking period.How often to water orchids

Drain Excess Water:

After the soaking time is up, lift the orchid pot out of the water.
Allow any excess water to drain completely out of the pot. You can gently shake the pot to help remove excess water.
Avoid leaving the orchid sitting in a pool of water, as this can lead to root rot.How often to water orchids

Return the orchid to Its Growing spot.

Place the orchid back into its decorative pot, if you were using one.
Find a suitable location for your orchid, considering its specific light and temperature requirements.
Ensure there is good air circulation around the plant to promote healthy growth.How often to water orchids

Observe and Repeat:

Observe your orchid regularly to determine when it needs watering again.
Typically, orchids will need to be watered every 1 to 2 weeks, but this can vary based on factors like the orchid species, potting mix, environmental conditions, and time of year.How often to water orchids

Best methods of watering

2 Dip a plant in a pail of water and let it soak for 10 minutes to properly moisten the compost if it has been allowed to become dry for an extended period of time, as in the case of this Doricentrum.

How often to water orchids

Use a watering can with a spouted nozzle to routinely water orchids inside from the pot’s rim. Make sure to completely wet the compost (growing media). Here we have a phalaenopsis plant.

How often to water orchids
Watering can is used

Plants that grow on bark in a greenhouse, like this LEPANTHES ORCHIDS should be dipped in a pail of water at least once a week and sprayed every day.

How often to water orchids

itself. This will outline the recent weeks

fine if the pseudobulbs are swollen. The presence of weak foliage or shrivelled pseudobulbs may suggest overwatering or even underwatering. When the reason of the issue is identified by further investigation of the roots, the issue can be fixed.

Typically, you can anticipate watering an ordinary orchid just once or twice in any

both once every two or three weeks while it is dormant and once per week throughout the growing season. All-year-round orchids can receive a little less watering in the winter than they can in the summer since the plants need more time to dry up.

However, a lot depends on the size of the plant and the amount of compost (growth media) that is present surrounding it. Small plants in big pots will require less water since any provided moisture will flow into the compost. For at least some of the water to enter the pot and reach the roots, a huge, root-bound plant in a small pot will require significantly more water. How often to water orchids

How often to water orchids
Difference between dry and wet roots of orchids

Try to water the orchids whenever the weather is getting warmer. This calls for watering in the morning, which is more crucial in winter sun when all excess moisture will have time to dry by dusk. By doing this, the cold and wet conditions that orchids abhor are avoided.

Indoor growing makes this method less required, and if only a few plants are grown, they may be taken individually to the kitchen and let to drain before being returned to their growing place, so there is no need to worry about excess water.How often to water orchids

Best way to water

Use a watering container with a spouted whose size corresponds to the number of orchids in your collection to water your plants. You should switch to a garden hose in your greenhouse that is connected to the main water supply as this increases. To make the task easier and more fun,

use an adjustable nozzle. Apply water until it completely covers the surface, let it drain through, and then do it again. This will guarantee a thorough soaking. Because of the nature of orchid compost (the growing medium), you need to use a lot more water than what is actually retained.How often to water orchids

How often to water orchids
Orchids in selfwatering vase

Your ability to utilise the mains supply directly from the tap may depend on the quality of the water in your area. The majority of orchids require a natural pH, and your water supply can tell you how acidic it is. If the water’s pH is high, you can soften it by putting it in a container

with garden peat added to a muslin bag. It will lessen the acidity if it is hung over the edge into the water. There are other, more expensive ways to change the water in your system, or you could simply collect rainwater from the outside and use that instead. When using stored water, make sure it is at room temperature, especially in the winter when ice water will cause problems. How often to water orchids

How often to water orchids

water quality

There are various places where you can get mains tap water. It might have recently rained where you are and drained into reservoirs. Alternately, it could be taken out of a river that has to be treated.

before it can be used in a household setting. It might also be water that has come from naturally occurring underground reservoirs deep in underground rock formations.

There may be several minerals in this water, which could be hundreds of years old. Your water could be OK for drinking, but epiphytic plants don’t like calcium or lime in their water. synthetic water How often to water orchids

How often to water orchids
Watering orchids in the sink

There are softeners available that soften the water by adding salts and other additives. Again, while these may be suitable for domestic use, they are not really beneficial to our orchids. The salts that have been added may perhaps be more dangerous than the original lime. Reverse osmosis water softeners, on the other hand, eliminate contaminants to provide better-quality water that is good for orchids. How often to water orchids

FAQ How often to water orchids

How often should I water my orchids?

The frequency of watering orchids depends on various factors, such as the type of orchid, potting medium, and environmental conditions. As a general guideline, most orchids should be watered about once every 1 to 2 weeks. However, it’s essential to monitor the moisture level of the potting mix and adjust the watering schedule accordingly.

Can I water my orchids with tap water?

It’s best to avoid using tap water directly on orchids, especially if it’s hard or chlorinated. Instead, use rainwater, distilled water, or allow tap water to sit overnight to allow the chlorine to dissipate before using it. Orchids are sensitive to mineral and chemical buildup, which can harm their roots and overall health.

Should I mist my orchids to water them?

Misting alone is not sufficient for watering orchids, as it only provides moisture to the surface of the plant. Orchids prefer thorough watering of their root systems. If you choose to mist, do so in addition to regular watering, but ensure that the roots and potting mix receive adequate moisture.

How can I tell if my orchid needs water?

To determine if your orchid requires water, check the moisture level of the potting mix. Place your finger in the medium for approximately an inch; if it seems dry, water.Additionally, some orchid species have pseudobulbs (thickened stems) that act as water storage, which may slightly shrink when water is needed. Monitoring your orchid’s overall appearance and learning its specific needs will help you understand when it requires watering.