When fall arrives and many of us think about pumpkins, bread of the dead and cozy sweaters, our houseplants feel the change. Even though they live indoors, they perceive autumn. Not because they see leaves fall in the forest, but because their environment changes: the light lasts less, the air becomes colder and the growth rate slows.
In this season the plants go into a kind of energy saving mode, They are no longer focused on growing as they do in spring and summer, but on conserving strength. Imagine that it is their rest season, the problem is that many of us continue to treat them the same, same irrigation, same fertilization, same location.
And that’s when the dramas begin, yellow leaves, fungi, rotting roots or sad plants without knowing what happened to them, this may seem exaggerated, but 70% of the problems in indoor plants during autumn-winter are due to poor management of irrigation and light.
The good news is that with some simple adjustments, your plants can spend the fall happy and arrive super strong in the spring, it is about observing more, intervening less and understanding that natural growth has pauses and autumn is its necessary pause.
So if you want to avoid that suffering when you suddenly see your plant declining and you don’t know why, this information will be very useful to you, let’s see how to help your plants survive and shine in this season where the light goes down, watering is reduced and nutrients take a vacation.
Your plants feel autumn even if they are indoors
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Plants perceive the day through something called photojournalism, that is, your internal clock adjusts to the duration of light. Even if they live inside, the hours of natural light influence their metabolism, you notice this because many stop putting out new leaves so often.
The dry air of autumn and winter affects, when we turn on the heating or there is less ventilation, the humidity drops. For tropical plants like calatheas or maranthas, this can be a silent killer.
In autumn you begin to feel the fresh morning air, inside the house, perhaps we don’t notice it as much, but the plants do. Even a decrease of two or three degrees can be a signal to reduce activity and of course, if you live in colder areas, the change is more evident. Something as simple as a cold window at night can affect you.
That is why you will see that some plants lose leaves, especially tropical or vigorous-growing varieties such as pothos, monsteras and phytonnia, it is normal. The key is in don’t panic or overreact.
Reducing irrigation: the most common mistake
In autumn the plants they don’t drink at the same rateso they need less water. With the cold, the substrate takes longer to dry and the roots continue to breathe; If there is too much moisture around, they literally run out of oxygen and start to rot.
If you see yellow leaves starting from the bottom of the plant, or stems that feel soft, it is a warning sign: a disease is probably starting. root rot. Here the golden rule is clear: in doubt, do not water. Your plant prefers a little thirst rather than drowning.
In hot weather, the substrate dries faster because there is more evaporation and the plants transpire more. In autumn the opposite happens: the substrate takes longer to dry and the plant absorbs less water.
Less light: how to adapt without your plants suffering
In autumn the light changes, the days are shorter and the sun enters at different angles. That means that many plants that were happy in a certain corner in summer suddenly receive half the light.
Tropical plants and plants with large foliage tend to suffer it more because they need good light to maintain their photosynthesis. If you see small new leaves, a paler color or growth twisted towards the window, it is a sign that they lack light.
A white LED lamp of good power, from 40 to 60 cm away, already makes a difference.
Moving plants a little closer to windows helps a lot. Another option is to use artificial light. You don’t need very expensive equipment; A white LED lamp of good power, 40 to 60 cm away, already makes a difference. Consistency matters more than extreme intensity.
Total stop to fertilizer: the break is real
Another important point: do not fertilize in autumn and winterexcept plants that maintain strong activity such as some aromatic plants or very vigorous ferns, in this season, growth slows and the roots are not absorbing nutrients at the same rate.
If you fertilize, you run the risk of burn roots or accumulate salts in the substrate. This blocks nutrients and then generates yellow leaves or dry edges, think that you are forcing the plant to eat when it is not hungry.
The best gift you can give him in autumn is peace of mind. No fertilizer, no transplants, no sudden changes. Better to leave those tasks for spring, when your metabolism is active and responds better.
In the end, autumn for plants is not a death sentence, it is just another phase. The issue is that if we continue treating them as if it were summer, it is normal for them to get sad or get sick. It’s like being forced to run a marathon in the middle of winter in your pajamas, it’s just not right. The plant just wants calm, less water, good light and zero fertilizer.
