The answer is never "every Sunday."
The most common piece of plant advice is also the most misleading: "water once a week." The truth is, there's no universal watering schedule. How often your plant needs water depends on the plant species, the pot size, the soil type, the season, the humidity in your home, and how much light it gets. A pothos in a sunny kitchen in July dries out way faster than the same pothos in a dim hallway in January.
Forget the calendar. Use the finger test.
Stick your finger about an inch into the soil. If it feels dry, water. If it still feels moist, wait. That's it. This works for the vast majority of houseplants.
Some plants (succulents, cacti, zz plants) want the soil to dry out completely between waterings. Others (ferns, calatheas) prefer consistent moisture. But the finger test is your baseline.
Both show up as a sad-looking plant. The soil, and which leaves are affected, tell you which one you're dealing with.
Overwatering is the number one killer of houseplants. More plants die from too much water than too little.
Underwatering is easier to fix. A good soak usually brings the plant back within a day or two.
Once you start paying attention to your plants instead of your calendar, you'll notice patterns. Your pothos might need water every 5 days in summer and every 12 in winter. Your snake plant might go 3 weeks between waterings year-round.
The trick is keeping track of what works so you're not guessing every time. Our houseplant journal gives you a simple way to log watering, light, and seasonal notes for each plant in your collection, so you build a care routine based on real data instead of generic advice.
A printable journal for logging watering, light, and seasonal notes plant by plant. Build a routine from what your plants actually do.
Printable houseplant guides and journals, made by us, delivered as instant downloads.