
Winter Houseplant Care
Why growth slows from November to February, and how to adjust light, water, and humidity when the heating is on.
Read guideHomes here swing from bright summer windows to short, dry winter days with the furnace running. These guides cover how to read light, time watering, and choose species that handle indoor conditions.
Each guide focuses on conditions common in Canadian apartments and houses, from north-facing rooms to dry winter air.

Why growth slows from November to February, and how to adjust light, water, and humidity when the heating is on.
Read guide
How to replace fixed calendars with checks based on soil, pot, and season, with a simple reference table by plant type.
Read guide
Species that tolerate north windows and interior rooms, plus how to tell low light apart from no light.
Read guideA south window in Toronto delivers far more winter light than a north window. Match a plant's needs to the brightest spot it can reach, not the room's average.
Forced-air heating can pull indoor air well below the 40–60% many tropical foliage plants prefer. Grouping pots or using a tray of water helps locally.
Most root problems trace back to watering on a fixed schedule. Check the top few centimetres of soil and the pot's weight before adding water.
A drainage hole and a saucer you empty matter more than pot material. Standing water is the fastest route to root rot indoors.
Shorter days mean slower growth. Feeding and frequent watering during the rest period often does more harm than skipping them.
Cold drafts from single-pane windows and dry heat from radiators both stress foliage. A stable spot away from both is usually best.
General patterns for foliage houseplants in a typical Canadian home. Adjust to your own rooms and species.
This is an independent editorial project. If you spot an error in a guide or want to suggest a species to cover, send a note. Use the form, or reach the editorial inbox directly.
Editorial inbox: editor@northwindow.org
Based in Ontario, Canada.