Winter Houseplant Care Guide: Surviving the Cold Months

Why Winter Is the Toughest Season for Houseplants

Winter is a survival challenge for most indoor plants. The days are shorter, light is weaker, the air is bone-dry from heating systems, and cold drafts lurk near every window. Your tropical houseplants — which evolved in warm, humid environments — are about as far from their comfort zone as they can get.

The good news is that with a few key adjustments, most houseplants can make it through winter just fine. Some may not look their best, and that is perfectly normal. The goal is not lush growth — it is keeping your plants healthy enough to explode with new growth when spring arrives.

Cut Back on Watering Significantly

This is the number one mistake plant parents make in winter: watering on the same schedule they used all summer. In winter, your plants are growing slowly (or not at all), temperatures are lower, and light is reduced. All of this means they are using far less water.

Overwatering in winter is the fastest way to kill a houseplant. Soggy soil combined with cool temperatures creates the perfect conditions for root rot — and once root rot sets in, it can be very difficult to reverse. Check out our guide on saving overwatered plants if you think you have been too generous.

Here is how to adjust:

• Let soil dry out more than usual between waterings. For most tropical plants, wait until the top 2 inches of soil are dry before watering again.
• Succulents and cacti may only need water once a month or less during winter.
• Snake plants and ZZ plants are especially susceptible to winter overwatering — they need very little moisture during dormancy.
• Use room-temperature water to avoid shocking cold roots.
• Water in the morning so any excess moisture can evaporate during the warmer part of the day.

Compensate for Reduced Light

Winter days are significantly shorter, and the sunlight that does come through your windows is weaker and arrives at a lower angle. Many plants that thrived in their current spot during summer may now be struggling with insufficient light.

Signs your plant is not getting enough light:

• Leggy, stretched-out growth reaching toward the window
• Smaller new leaves compared to summer growth
• Loss of variegation in variegated plants
• Slow or completely stalled growth
• Leaf drop, especially on the side facing away from the window

Here is how to maximize winter light:

• Move plants closer to windows. That shelf that was too sunny in July might be perfect in December.
• Clean your windows inside and out. A layer of grime can block a surprising amount of light.
• Clean your plant leaves too — dusty leaves cannot photosynthesize as efficiently. Follow our complete guide to cleaning houseplant leaves.
• Invest in quality grow lights for plants in darker corners. Modern LED grow lights are energy-efficient, affordable, and make a dramatic difference.
• Rotate plants regularly to ensure all sides receive some light exposure.

Protect Plants from Heating Vents

Central heating keeps us comfortable but wreaks havoc on houseplants. The hot, dry air blasting from vents can desiccate leaves, dry out soil unevenly, and create temperature fluctuations that stress your plants.

Never place plants directly above or next to a heating vent, radiator, or space heater. The hot airflow can cause:

• Rapid leaf browning and crisping, especially on leaf edges and tips
• Uneven soil drying where one side of the pot bakes while the other stays moist
• Chronic dehydration even when you think you are watering enough

If you cannot avoid placing plants near heat sources, create a buffer by using a small shelf or table to elevate the plant above the direct airflow. You can also deflect vent air using magnetic vent covers or redirectors.

Battle the Humidity Crisis

Indoor humidity in winter can plummet to 20-30% — lower than a desert. Your tropical plants prefer 50-60% humidity. This dramatic gap is responsible for many common winter plant problems: brown leaf tips, curling leaves, and an overall crispy, unhappy appearance.

Effective ways to boost humidity in winter:

• Run a humidifier. This is by far the most effective solution. A cool-mist humidifier near your plant collection can raise humidity to comfortable levels for both plants and people.
• Group plants together. Plants naturally release moisture through transpiration, so clustering them together creates a more humid microclimate.
• Use pebble trays. Fill a shallow tray with pebbles and water, and set your pot on top. As the water evaporates, it adds moisture to the air right around the plant.
• Move sensitive plants to the bathroom. Regular showers keep bathroom humidity naturally high — perfect for ferns, calatheas, and other moisture lovers.

Skip the misting bottle. While satisfying, misting only raises humidity for a few minutes and can encourage leaf fungal problems in the stagnant air of winter.

Stop Fertilizing (For Now)

Most houseplants enter a natural dormancy or semi-dormancy during winter. Growth slows dramatically, and some plants stop growing altogether. Fertilizing during this period does far more harm than good.

When plants are not actively growing, they cannot use the nutrients in fertilizer. Those unused salts accumulate in the soil, potentially burning roots and damaging the plant. It is the botanical equivalent of force-feeding someone who is sleeping.

Stop fertilizing by mid-to-late fall and do not resume until you see signs of new growth in spring, which is usually around March or April. Your fertilizer will be there waiting when your plants are ready for it again.

The only exception: plants that actively grow and bloom in winter, like holiday cacti and some orchids, can benefit from occasional light feeding during their active period.

Guard Against Cold Drafts

Temperature consistency matters more than you might think. Most tropical houseplants prefer temperatures between 65-80 degrees F (18-27 degrees C) and can tolerate gradual fluctuations. What they cannot handle is sudden blasts of cold air.

Common cold draft sources in winter:

• Drafty windows: Even closed windows can radiate cold. If your windowsill feels cold to the touch, your plants feel it too. Move them a few inches away from the glass.
• Exterior doors: Every time you open the front door in winter, a blast of cold air hits nearby plants.
• Single-pane windows: These provide almost no insulation. Plants placed against single-pane glass can experience near-freezing temperatures even when the room feels warm.

If your plant's leaves are touching a cold window, pull them back immediately. Cold glass can cause tissue damage that looks like frost burn — dark, mushy patches on leaves.

Expect Slower Growth (And Stop Worrying)

Perhaps the most important piece of winter plant care advice is this: relax. Your plants are supposed to slow down in winter. It is a natural, healthy response to reduced light and shorter days.

During winter dormancy, you should expect:

• Little to no new growth on most plants
• Older lower leaves yellowing and dropping (this is normal — the plant is redirecting energy)
• Smaller leaf size if the plant does produce new growth
• Vines and trailing plants growing more slowly

This is not a sign that something is wrong. Do not try to fix it by watering more, fertilizing, or cranking up the heat. The best thing you can do is provide stable conditions and let your plants rest. They will reward you with a burst of growth once spring light returns.

Special Winter Care by Plant Type

Tropical Foliage (Monstera, Pothos, Philodendron)

These are the most forgiving winter plants. Keep them in the brightest spot available, reduce watering, and maintain reasonable humidity. They may drop an occasional older leaf, but they will bounce back in spring.

Ferns and Calatheas

These humidity-loving plants struggle the most in winter. A humidifier is nearly essential. Keep them away from heating vents and in rooms with stable temperatures. Brown tips on ferns are almost inevitable in winter — trim them cleanly and focus on keeping humidity as high as possible.

Succulents and Cacti

These actually appreciate winter dormancy. Water sparingly (once a month or less), provide as much light as possible, and keep them cool (55-65 degrees F is ideal). This cool, dry rest period actually encourages spring flowering in many species.

Fiddle Leaf Figs

Notoriously dramatic in winter. Expect some leaf drop, especially from lower leaves. Keep your fiddle leaf fig in consistent conditions — same spot, same temperature, same watering rhythm. Avoid moving it around, as fiddle leaf figs hate change even more than they hate winter.

Winter Houseplant Care Quick Reference

Spring Will Come

Winter is temporary. If you can keep your plants stable, adequately lit, and properly hydrated without overdoing it, they will emerge from the cold months ready to thrive. Think of winter care as maintenance mode — the goal is not growth, it is survival with dignity.

When the days start getting longer and you spot the first signs of new growth, it is time to shift gears. Head over to our Spring Houseplant Care Checklist to help your plants make the most of the growing season ahead.

Related Guides

• Best Grow Lights for Indoor Plants in 2026
• How to Save an Overwatered Plant Before It's Too Late
• Best Low-Light Houseplants for Beginners