As temperatures drop, indoor plants need a little extra care to thrive through the winter months. The seasonal changes in light, temperature, and humidity can stress your houseplants, but with some simple adjustments, you can keep them healthy until spring arrives. Here are some essential tips for winter plant care:
Adjust Watering Frequency
In winter, plants often go into a dormant phase, meaning they don’t require as much water. Overwatering is a common issue in colder months, so make sure the top inch or so of soil is dry before giving your plants a drink. Use room-temperature water, and pour slowly to avoid oversaturating the soil, which can lead to root rot.
Increase Humidity
With heating systems running, indoor air tends to be drier in winter. Since many houseplants come from tropical regions, they thrive in humidity. If you notice browning leaf edges or wilting, consider misting your plants, grouping them together to create a mini-humid environment, or setting up a small humidifier nearby. Placing plants on a tray with water and pebbles is another easy way to increase humidity around them.
Maximize Available Light
Winter days are shorter, and less light reaches your indoor plants. Move plants closer to windows to maximize natural light, but avoid exposing them to cold drafts. If you have a south- or east-facing window, that’s ideal for providing bright, indirect sunlight. For plants with high light needs, consider using a grow light to supplement natural light, especially if your space doesn’t receive much sunlight in winter.
Maintain Stable Temperatures
Most houseplants prefer consistent temperatures between 65°F and 75°F during the day, with a slight drop at night. Avoid placing plants near heating vents, fireplaces, or drafty windows, as extreme temperature fluctuations can stress them. Keep plants in rooms where the temperature remains relatively stable throughout the day.
Hold Off on Fertilizer
Since winter is a period of slow growth, most indoor plants won’t need fertilizing until spring. Feeding plants during dormancy can actually do more harm than good, potentially burning the roots or creating leggy, weak growth. Once new growth appears in spring, you can resume feeding with a balanced houseplant fertilizer.
Dust the Leaves
With the windows closed, dust can quickly accumulate on your plants' leaves, blocking their ability to absorb light. Gently wipe down leaves with a damp, soft cloth every few weeks to keep them clean. This small step can make a big difference in your plants’ ability to photosynthesize and stay vibrant.
Watch for Pests
Pests like spider mites, aphids, and fungus gnats are still active in winter and may even increase in dry indoor conditions. Inspect your plants regularly, paying special attention to the undersides of leaves and new growth. If you spot pests, isolate the affected plant and treat it with insecticidal soap or neem oil. Keep a close eye on new plants you bring inside, as they might carry pests.
Repot Only if Necessary
Winter is usually not the best time to repot plants since they’re in a rest phase. However, if you notice roots growing out of the drainage holes or the plant is struggling in its current pot, a mid-winter repotting may be necessary. Choose a pot only slightly larger than the current one, and use fresh potting soil to provide nutrients once the growing season resumes.
Keeping your indoor plants healthy in winter is mostly about adjusting to their slower growth pace and adapting to the indoor climate. By following these tips, you can help your plants stay vibrant and ready to bounce back when spring arrives. At Fossil Creek Nursery, we’re here to support you with advice, tools, and the perfect plants for every season!
