How to Water Houseplants: A Beginner's Guide to Getting It Right

Overwatering kills more houseplants than anything else. Not neglect, not low light, not pests — water. And the frustrating part is that an overwatered plant often looks the same as an underwatered one: drooping, yellowing, struggling.

The fix isn't a watering schedule. It's learning to read your plant and your soil.

The golden rule: water the soil, not the calendar

Most watering advice gives you a schedule — "water every 7 days" — and most of that advice leads beginners astray. How often a plant needs water depends on the pot size, the soil mix, the light it's getting, the humidity in your home, and the season. A schedule ignores all of that.

Instead, check the soil. For most tropical houseplants, you want to water when the top 2–5 centimetres of soil are dry. For drought-tolerant plants, let it dry out even further. For moisture-loving varieties, water when just the top centimetre is dry.

The simplest check: stick your finger into the soil up to your second knuckle. If it feels dry at that depth, it's time to water. If it still feels damp, wait.

How to water properly

When you do water, water thoroughly. Pour slowly and evenly until water drains freely from the bottom of the pot. This ensures the entire root zone gets moisture, not just the top layer.

Then — and this is important — empty the saucer. Letting a plant sit in standing water is one of the fastest ways to cause root rot.

Signs you're overwatering

• Yellowing lower leaves
• Soil that stays wet for more than a week
• A musty smell from the pot
• Soft, mushy stems at the base

If you suspect root rot, take the plant out of its pot and check the roots. Healthy roots are white or light tan and firm. Rotted roots are brown, black, and mushy. Trim the damaged roots, let them dry briefly, and repot in fresh, well-draining soil.

Signs you're underwatering

• Dry, crispy leaf edges
• Soil pulling away from the sides of the pot
• Leaves that feel thin or papery
• Drooping that doesn't recover after watering

Underwatering is usually easier to fix than overwatering — most plants bounce back quickly once they get a good drink.

The Canadian winter factor

In winter, most houseplants slow down significantly. They're not growing as fast, they're using less water, and your home's heating system is drying out the air. Water less frequently in winter — even plants that needed weekly watering in summer may only need it every two to three weeks from November to March.

Don't water on a schedule. Check the soil every few days and let it guide you.

Pot and soil matter too

A terracotta pot dries out faster than plastic or ceramic — that's not a bad thing, it just means you'll water more often. A well-draining soil mix prevents water from sitting around roots too long. If your plant came in dense, peat-heavy soil, consider repotting into something with better drainage — perlite, bark, or a chunky aroid mix makes a significant difference.

Ready to find a plant that's forgiving of beginner watering?

Browse our Beginner Plants collection — chosen for varieties that give you a little room to figure it out.