You should water my Swiss cheese plant when the top 2 inches (5 centimeters) of soil feel dry to your finger. Forget rigid schedules and let the soil guide you. This one habit stops the two biggest watering mistakes you can make with this plant.
I used to water my Monstera every Sunday like clockwork. Within two months the lower leaves turned yellow and the stems felt soft near the soil. My monstera watering schedule was drowning the roots. Once I switched to poking my finger in the soil first, the yellow leaves stopped and new growth came back strong. I haven't lost a single leaf to watering problems since then.
Your monstera watering schedule should change with the seasons. During the active growth period from March through September, you'll water about once per week since your plant drinks more while pushing out new leaves. In winter, growth slows way down and your plant uses much less water. Stretch your watering to every 10 to 14 days during those cold months. How often water monstera comes down to what your soil tells you, not your calendar.
Overwatering monstera is the number one killer of these plants, and your roots pay the price fast. When your soil stays soaked, water fills every air pocket around the roots. Your roots need oxygen to work and stay healthy. Soaked soil cuts off that oxygen and creates the perfect home for fungal rot. These fungi break down your root tissue until the whole system fails.
You can spot overwatering monstera signs before it gets too bad. Watch for yellow lower leaves, soft brown spots on the foliage, and a mushy stem base. You might also notice a sour smell coming from your pot. Too little water shows up in other ways. Your leaves curl inward, edges turn crispy and brown, and the soil pulls away from the pot walls. Both problems fix themselves once you adjust your routine.
A few habits make your watering more effective. Use room-temperature water since cold water shocks your tropical roots. Pour slowly over the entire soil surface until water flows from the drainage holes at the bottom. Never let your pot sit in a saucer of standing water for more than 30 minutes after watering. Dump any extra water you see pooling.
If you tend to overwater, try bottom watering your plant instead. Set your pot in a basin of water for 20 to 30 minutes and let the soil wick up moisture through the drainage holes. This gives you even moisture through the whole root ball without soaking the top layer too heavy. Pull your pot out once the top of the soil feels damp and let it drain fully.
I also keep a cheap moisture meter next to my plant for quick checks. You push the probe into the soil and it tells you whether your plant needs water right now. This takes the guesswork out of your routine and costs under $10 at any garden store. Between the finger test and a moisture meter, you'll never have to guess how often water monstera again.
One more tip from my own trial and error. I now water in the morning rather than at night. This gives your plant the full day to absorb what it needs while light helps dry the top layer. Evening watering left my soil damp for too long and I noticed more fungus gnats buzzing around the pot. Switching to morning watering cleared that problem up within a week.
Your watering routine will feel like second nature after a few months of practice. The key is to trust the soil over the calendar. Every home is different, and your plant will drink more or less based on your light, humidity, and pot size. Pay attention to what your Monstera tells you and you'll keep it thriving year after year.
Read the full article: Swiss Cheese Plant Care Guide