Philodendron plants love consistently moist soil, but they don’t like sitting in water. This is what makes watering them a little tricky.
If you want your philodendrons to grow strong and healthy, understanding their watering needs is just as important as light and soil.
Like many other tropical plants, philodendrons enjoy moisture, but they don’t tolerate soggy soil. To avoid problems like root rot, you need to know when and how much water to give.
In this guide, I’ll show you everything you need to know about watering philodendrons the right way.
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When to water philodendrons?
Every home has a different environment. Humidity and temperature are not the same across the country. This is why there’s no fixed watering schedule that works for everyone.
The best way to know when to water is by checking the soil. Stick your finger into the potting soil about an inch deep. If it feels dry, it’s time to water. If it still feels a little moist, wait a few more days and check again.
In hot summer months, philodendrons usually need more water because that’s their active growing season. They’re busy growing new leaves and stems, so they use more water to make food through photosynthesis.
At my home, I water my philodendrons about once every 7 days. But depending on your home’s humidity, you might need to water twice a week — or only once every two weeks.
If you’re not sure, you can use a soil moisture meter. It’s a simple and inexpensive tool you can find easily on Amazon. Just insert the probe into the soil and check the reading on the screen. It takes the guesswork out of watering.
What kind of water is best for philodendrons?
The best water for philodendrons is the same as what you drink — clean and free of harmful chemicals.
Avoid using tap water if it contains chlorine or hard minerals. Hard water leaves behind insoluble minerals in the soil that build up around the roots. Over time, this blocks water and nutrients from reaching the plant.
Rainwater is excellent for philodendrons. If you can, collect it using rain barrels. If that’s not possible, filtered water or soft water is a good alternative.
I personally use filtered water to keep my plants safe from mineral build-up and other water-related problems.
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What happens if you overwater philodendrons?
Overwatering is one of the fastest ways to kill a philodendron. Too much water suffocates the roots and encourages fungal diseases.
When roots sit in soggy soil, they can’t absorb nutrients properly. The plant weakens, and its leaves start to droop or yellow.
To avoid overwatering, make sure you’re using well-draining soil. The water should drain quickly through the pot’s drainage hole into the saucer. Always empty the saucer afterward so your plant doesn’t sit in standing water.
I strongly recommend avoiding regular garden soil because it holds too much water. Instead, mix equal parts of perlite, peat moss, and potting soil. Adding some compost will also help feed your plant and save you money on fertilizers.
Should you mist philodendron leaves?
If the air in your home is very dry, misting the leaves can give your plant a quick moisture boost. But don’t overdo it.
Most philodendrons don’t like frequent misting. Once a week is usually enough.
Always use chlorine-free water when misting. Chlorine can damage plant tissues if it gets on the leaves or into the roots.
Also, frequent misting can attract pests. Once pests take hold, it becomes hard to get rid of them.
If you want to boost humidity safely, consider using a plant humidifier. These small, portable devices are designed for plants and are available on Amazon. Just place them near your plants and turn them on.
Old-school methods like using a pebble tray or grouping plants together can also raise humidity by 5 to 8%.
Can philodendrons grow in water?
Yes, philodendrons can grow in water alone — and they often grow faster this way. But you’ll need to stay on top of maintenance.
Change the water every 3 to 4 days (or whenever it looks cloudy). Keep the roots out of direct sunlight to avoid algae build-up. A dark-colored bottle or wrapping paper around a clear jar works well for this.
Personally, I prefer growing philodendrons in potting soil. It’s easier and has a higher success rate.
Conclusion
The watering routine for philodendrons depends on temperature, humidity, and the season. In summer, you’ll water more often. In winter, you might only need to water once a month.
Low humidity also makes plants thirstier, so keeping humidity above 45% helps reduce how often you need to water — even on hot summer days.
Use well-draining soil, clean water, and watch the moisture levels — and your philodendrons will stay happy and healthy.