Learn how temperature, cold drafts, heat, and seasonal changes affect indoor plants, plus how to create a stable environment for healthy growth.
Extreme summer heat can be hard on houseplants, even when they are growing indoors. Hot windows, intense sunlight, faster soil evaporation, low humidity and air conditioning can cause plants to wilt, develop brown leaves, curl their foliage or stop growing. Getting watering right is step one. Here’s how to spot other issues. If your plant…
Heat stress in houseplants occurs when excessive heat causes the plant to lose water faster than its roots can replace it. Common signs include wilting, curled or rolled leaves, crispy brown edges, scorched or bleached foliage, leaf drop, and stalled growth. The quickest way to help a heat-stressed houseplant is to reduce intense heat and…
Winter can be surprisingly difficult for indoor plants. Even though your plants are inside, cold window glass, drafts, exterior doors, reduced sunlight, and dry heated air can create stressful conditions. If your plant is already showing signs of stress, use our indoor plant symptom checker to diagnose the problem fast. The best way to protect indoor plants…
Cold damage on houseplants shows up as water-soaked or blackened leaf patches, sudden wilting, curling leaves, and yellowing that appears within hours to a few days of cold exposure. It happens when temperatures drop below a plant’s tolerance range, usually below 50°F for most tropical houseplants, rupturing plant cells and cutting off water movement inside…
Ideal Temperature for Houseplants (Day and Night Ranges) Most houseplants grow best between 65 and 75°F (18 to 24°C) during the day, with a drop to roughly 55 to 65°F (13 to 18°C) at night. That 10 to 15 degree nighttime dip mirrors what plants experience outdoors and actually supports healthier growth for many species,…
