How often should I water my orchid?

picture of Michael Sullivan
Michael Sullivan
picture of Charles Hartman
Charles Hartman
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Most people ask how often water orchid plants need, and the short answer is once every 7 to 10 days. But the honest answer depends on your home's humidity, the potting medium, and the time of year. A fixed calendar schedule will either drown your orchid or leave it parched, so learning to read your plant matters more than counting days.

I figured this out after killing my first two orchids with kindness. Both sat in bark mix and I watered them every Sunday no matter what. The roots turned brown and mushy within a couple of months. Then I switched to clear pots and everything changed. I could see the roots and learned the color code. Green roots mean the plant still has moisture. Silver or gray roots mean it's thirsty. That visual check replaced my rigid schedule and I haven't lost an orchid to root rot since.

Several factors affect your orchid watering frequency beyond just time between drinks. Bark mix dries out faster than sphagnum moss, sometimes in 4 to 5 days during summer. Clay pots wick moisture away through their walls while plastic holds it in longer. Low humidity from winter heating pulls water from the bark faster. And during active growth in spring and summer, orchids drink more than they do in their dormant winter rest.

The USBG makes a point that bears repeating. Far more orchids die from overwatering than from being too dry. If you're unsure whether to water, wait another day or two. An orchid that goes a bit dry bounces back fast. One that sits in soggy bark for weeks will lose its root system and may never recover. When in doubt, let it dry out.

Your orchid watering schedule should shift with the seasons. In summer when growth is active and temperatures run higher, water every 5 to 7 days. In spring and fall you can stretch to 7 to 10 days. During winter dormancy when the plant slows down, every 10 to 14 days works for most homes. These ranges assume bark potting mix in a plastic pot with drainage holes.

Here's a trick that takes the guesswork out of watering. Push a wooden chopstick or bamboo skewer into the bark mix and leave it for about a minute. Pull it out and check the tip. If the wood feels damp or looks darker, the orchid still has enough moisture and you should skip watering. If the wood comes out dry and unchanged, it's time for a thorough soak. Run room temperature water through the pot for 20 to 30 seconds and let it drain before placing the pot back in its decorative holder.

Once you tune into these signals, watering becomes second nature. Your orchid will tell you what it needs if you pay attention to the roots and the medium. Ditch the fixed schedule and trust your eyes and the chopstick test instead.

Read the full article: Orchid Flower: Complete Growing Guide

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