As winter settles in and daylight hours shrink, many indoor plants struggle with the sudden change in environment. Cooler windowsills, dry indoor heating, and weaker sunlight can stress even the hardiest houseplants. But with a few simple adjustments, you can help your indoor plants stay healthy, vibrant, and growing strong all winter long. Think of this season as a time to support your plants through their natural “resting phase,” so they’re ready to burst into fresh growth when spring returns.
Below are the essential winter care steps every plant owner should follow — straightforward, reliable, and time-tested by garden experts.
1. Give Your Plants the Best Possible Light
Winter light is weaker, lower, and far less consistent. Even plants that thrive near a bright window in summer may struggle once the sun shifts.
What to do:
-
Move plants closer to south- or west-facing windows.
-
Clean dusty leaves and dirty windows to maximize light absorption.
-
Rotate pots weekly so growth stays even.
-
Add a grow light if your home is naturally dim — even a small LED panel can make a huge difference.
Expert Tip: If you use grow lights, aim for 10–12 hours of supplemental light per day, placed about 6–12 inches above foliage.
2. Water Less — But Water Better
Most houseplants slow their growth in winter, meaning they don’t need nearly as much water as they do in spring or summer. Overwatering is the #1 cause of winter plant loss.
How to adjust:
-
Always check soil before watering — aim for slightly dry, not bone-dry.
-
Water thoroughly, letting excess drain out of the pot.
-
Never let plants sit in a saucer of water.
Expert Insight: Warm indoor air causes the soil surface to dry quickly, tricking gardeners into watering too often. Always feel 2–3 inches below the surface.
3. Add Humidity to Beat Dry Indoor Air
Forced-air heating pulls moisture out of the air — and your plants feel it. Tropical plants like ferns, calatheas, and philodendrons especially struggle.
Easy humidity boosters:
-
Run a small humidifier near your plant shelf.
-
Group plants together to create a shared microclimate.
-
Place pots on pebble trays filled with water (without submerging the pot).
-
Avoid placing plants near heat vents or radiators.
Your plants will reward you with healthier leaves, fewer crispy edges, and steadier growth.
4. Keep Plants Away From Drafts and Cold Windows
Cold snaps, open doors, and drafty windows can shock sensitive plants. Even hardy species can suffer cold damage if leaves touch a frosty windowpane.
Winter placement guidelines:
-
Leave 3–6 inches of space between plants and cold glass.
-
Keep them away from frequently opened exterior doors.
-
Avoid placing plants directly over heating vents, which quickly dry soil and foliage.
-
5. Hold Off on Fertilizing Until Spring
Most plants enter a mild dormancy in winter, conserving energy. Fertilizing during this period can lead to weak, stretched, or distorted new growth.
Expert Rule:
Pause all fertilizer from late October through February. Resume feeding lightly in early spring when you see new growth. -
6. Dust, Prune, and Inspect Regularly
Winter is the perfect time to give your plants a little extra attention.
Maintenance checklist:
-
Wipe dust off leaves with a damp cloth (dust blocks light).
-
Trim dead or yellowing foliage.
-
Check regularly for spider mites, mealybugs, and fungus gnats, which thrive in warm indoor settings.
-
Improve air circulation by spacing plants slightly apart.
Expert Tip: If pests appear, isolate the plant and treat promptly with insecticidal soap or neem oil.
7. Repot Only If Absolutely Necessary
Winter is not an ideal repotting season, as most plants aren’t actively growing. Repotting now can cause unnecessary stress.
Only repot if:
-
The plant is severely root-bound.
-
Soil is compacted and no longer draining.
-
You’re addressing a pest problem hiding in old soil.
Otherwise, wait until spring for repotting.
-
Caring for indoor plants over winter doesn’t have to be complicated. With thoughtful light adjustments, careful watering, added humidity, and gentle maintenance, your plants can thrive even as the world outside freezes. Winter is a season of rest for plants — and with the right care, they’ll wake up refreshed and ready to grow when warm weather returns.
If you’re looking for grow lights, humidifiers, potting mixes, or pest-control products, visit your local garden centre — we’re always happy to help you keep your indoor jungle thriving all year long.