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Indoor plants in autumn: a guide to home care
Autumn is a transitional season, a magical time when nature takes on warm colors and the air becomes crisper. While leaves fall outside and the landscape transforms, our indoor plants also sense the change and prepare to face the colder months. This is not a period of dormancy, but an opportunity to give them specific care and create a green oasis of well-being within the home.
In this comprehensive guide, we will discover together all the secrets to caring for indoor plants during autumn. From managing light to proper watering, from targeted fertilization to preventing the most common problems, we will guide you step by step to ensure that your green companions not only survive but thrive until next spring.
How to Care for Indoor Plants in Autumn: 7 Essential Steps
In autumn, indoor plants are cared for in seven steps: more light and clean leaves, reduced watering after checking the potting soil, less frequent fertilization, controlled temperature and humidity away from radiators, repotting only when indispensable, plants suited to the season, and a care calendar for September, October, and November.
1.Manage autumn light - Move plants closer to windows and clean the leaves
2.Reduce watering - Always check the potting soil before watering
3.Adjust fertilization - Decrease the frequency but maintain the quality
4.Monitor temperature and humidity - Keep away from radiators and increase humidity
5.Repot only when necessary - Only if strictly indispensable
6.Choose suitable plants - Croton (Codiaeum variegatum), Sansevieria (Dracaena trifasciata), Zamioculcas (Zamioculcas zamiifolia) for autumn
7.Follow a monthly calendar - Specific actions for September, October, and November
1. The Dance of Light: How to Manage Autumn Lighting
In autumn, light levels decrease, so move plants closer to the brightest windows, preferably those facing south or west, without letting them touch the glass, which becomes cold at night. Wipe dust from the leaves with a soft, damp cloth and, if your home is poorly lit, consider LED grow lights.
With the arrival of autumn, days become shorter and sunlight intensity decreases. Our plants, accustomed to the brightness of summer, need some help to continue photosynthesizing efficiently.
Move Plants Closer to the Windows
It's time to reorganize your space. Move your plants closer to the brightest windows, preferably those facing south or west, to maximize exposure to natural light. Be careful, however, not to place them in direct contact with the glass, which could become too cold during the night.
Clean the Leaves to Maximize Light Absorption
Dust that accumulates on leaves can reduce a plant's ability to absorb light. Use a soft, damp cloth to gently clean each leaf, or give your plants a lukewarm shower (protecting the soil) to remove all impurities. This simple step will make a big difference.
Consider Using Grow Lights
If you live in a poorly lit home or notice that your plants are suffering from a lack of light (stunted growth, yellowing leaves), grow lights can be a valuable investment. There are solutions for every budget and need, from simple LED bulbs to more professional panels, that will provide your plants with the full light spectrum they need.
2. The Art of Irrigation: Less Is More
In autumn, water less because plants' metabolism slows with less light and lower temperatures. Check the soil by inserting a finger 2-3 centimeters deep, and water only when it is completely dry, if possible from below using sub-irrigation, always emptying the saucer to prevent stagnant water and root rot.
The most common mistake in autumn plant care is overwatering. As temperatures and light levels decrease, plants' metabolism slows and, consequently, so does their water requirement.
Always Check the Potting Soil Before Watering
Abandon the routine of watering on a schedule. In autumn, it is essential to check the moisture of the potting soil before each watering. Insert a finger 2-3 centimeters into the soil: if it is still moist, wait. Water only when the potting soil is completely dry.
Prefer Bottom Watering
Bottom watering, or watering from below, is an excellent technique for autumn. Fill the saucer with a few centimeters of water and let the plant absorb what it needs for 15-20 minutes. This method prevents water from pooling on the surface, reducing the risk of root rot and the appearance of fungus gnats.
Beware of Waterlogging
Make sure the pots always have effective drainage holes, and empty excess water from the saucers after each watering. Roots that remain in contact with stagnant water are the main cause of root rot and plant death.
3. Tailored Nutrition: Fall Fertilization
In autumn, continue fertilizing, but less often: if you fertilized every 10-15 days in spring and summer, switch to once every 3-4 weeks, using a liquid fertilizer for indoor plants that is low in nitrogen and richer in phosphorus and potassium, which strengthen roots and structure and increase resistance to cold.
Even if plants slow their growth, they do not stop feeding. Fall fertilization is essential to provide them with the energy reserves they need to get through winter and resume vigorous growth in spring.
Reduce Frequency, Not Quality
If you fertilized every 10-15 days in spring and summer, you can space out applications to once every 3-4 weeks in autumn. Use a balanced liquid fertilizer for indoor plants, rich in micronutrients, diluted in the irrigation water.
Choosing the Right Fertilizer
Choose a fertilizer low in nitrogen (N) and richer in phosphorus (P) and potassium (K). Nitrogen stimulates the growth of new leaves, which may be weak and spindly at this time of year. Phosphorus and potassium, on the other hand, strengthen the root system and the plant's structure, increasing its resistance to cold and disease.
Natural Alternatives: Compost and Revitalizers
If you prefer natural solutions, you can add a thin layer of mature compost to the surface of the potting soil. You can also use seaweed- or humic acid-based revitalizing products, sprayed on the leaves, to help plants cope with the stress of the change of season.
4. Climate Comfort: Ideal Temperature and Humidity
For a good microclimate, keep plants away from radiators, heaters, air conditioners, and drafts, and counteract dry heating air, which causes dry tips and yellowing, by grouping them, using a humidifier, placing bowls of water near the plants, or misting the leaves with demineralized water at room temperature.
When the heating is turned on, our homes can become hostile environments for tropical plants. Creating an ideal microclimate is essential for their well-being.
Away from Heat Sources and Drafts
Place the plants away from radiators, heaters, air conditioners, and cold drafts coming from doors and windows. Temperature fluctuations and dry air are the main enemies of indoor plants in autumn and winter.
Increase Ambient Humidity
Dry air caused by heating can dehydrate leaves, causing dry tips and yellowing. To increase humidity, you can:
•Group the plants: They will create a more humid microclimate together.
•Use a humidifier: This is the most effective solution for maintaining constant humidity of around 50-60%.
•Place bowls of water near the plants or on radiators.
•Mist the leaves with demineralized water at room temperature, once or twice a day.
5. Prevention and Intervention: Autumn Repotting and Pruning
In autumn, repot only when necessary, that is, when roots grow out of the drainage holes, the potting soil is depleted, or there are signs of root rot, using a pot 2-3 cm larger in diameter and well-draining potting soil. Pruning should only involve removing dry, damaged, or yellowing leaves, using disinfected pruning shears.
Contrary to popular belief, autumn can be the right time for some targeted interventions, especially if a plant shows signs of distress.
Repot Only When Strictly Necessary
If a plant has roots growing out of the drainage holes, the potting soil is depleted, or you have made a watering mistake that has caused the beginnings of root rot, repotting in autumn can save its life. Choose a slightly larger pot (2-3 cm larger in diameter) and use high-quality, well-draining potting soil specifically for indoor plants.
Cleaning Pruning
Remove dry, damaged, or yellowing leaves to prevent them from becoming a vehicle for diseases and pests. Always use clean, disinfected pruning shears. This will allow the plant to focus its energy on healthy, vital parts.
6. The Best Indoor Plants for Autumn
What are the best indoor plants for autumn? The ideal plants for this season combine resilience in low-light conditions with colors that evoke autumn tones. Here are the 5 best choices:
1. Croton (Codiaeum variegatum)
Why it's perfect for autumn: With its leaves mottled in yellow, orange, red, and purple, it is the living emblem of the autumn season. It tolerates reduced light well and maintains its bright colors.
2. Calathea crocata 'Tassmania'
Distinctive features: Its flame-like orange flowers add a touch of warmth and color just when nature outside begins to fade. It naturally blooms in autumn and winter.
3. Philodendron 'Prince of Orange'
Distinctive coloring: Its new leaves emerge bright orange and then turn green, creating a spectacular color contrast that evolves over time.
4. Sansevieria (Snake Plant)
Exceptional resilience: Extremely hardy, it tolerates reduced light and the dry air from heating systems, while also purifying the air in your home.
5. Zamioculcas (ZZ Plant)
Ease of care: Another champion of resilience, perfect for those with little time or limited light available. It requires minimal watering in autumn and winter.
7. Autumn Care Calendar: Month by Month
Autumn care changes from month to month: in September, gradually bring the plants back indoors, check for pests, and start reducing watering; in October, move the plants closer to the windows and reduce fertilization; in November, protect them from drafts and heat sources, and water only when necessary.
| Month | Main Actions |
|---|---|
| September |
- Gradually bring the plants back indoors - Check for pests - Start reducing watering - Clean the leaves |
| October |
- Move the plants closer to the windows - Reduce the frequency of fertilization - Start increasing ambient humidity - Pruning to remove dead or unwanted growth |
| November |
- Protect plants from drafts and heat sources - Water only when strictly necessary - Use revitalizing products to help them overcome stress - Check their health regularly |
Frequently Asked Questions (FAQ)
Is it normal for plants to lose a few leaves in autumn?
Yes, a slight loss of older leaves is normal. The plant adapts to the reduced availability of light and focuses its energy on the younger, healthier leaves. If the leaf drop is excessive, check the watering and location.
My plants look sad and dull, what can I do?
Check the light, humidity, and watering. Often, changing the plant's location or increasing humidity can work wonders. A treatment with a revitalizing product can provide a boost of energy.
Can I propagate plants in autumn?
Although spring is the best time, some hardy plants such as Pothos and Tradescantia can also be propagated successfully in autumn, preferably in water to monitor root development.
How often should I water plants in autumn?
In autumn, reduce watering. Always check the soil before watering: water only when it is completely dry. Water requirements decrease with lower temperatures and reduced light.
What are the best houseplants for autumn?
The best plants for autumn are:
1.Croton - for its warm autumn colors
2.Calathea Crocata - for its orange flowers
3.Philodendron Prince of Orange - for its orange leaves
4.Sansevieria - for resilience
5.Zamioculcas - for ease of care
Conclusion: Embrace the Season of Change
Autumn is not the end, but a new phase in your plants' life cycle. Observing them, understanding them, and adapting their care to their new needs is a rewarding experience that will strengthen your connection with the plant world. With the right care, your houseplants will make it through the cold season brilliantly, giving you a lush, vibrant corner of nature even when the world outside is resting.
At I Giardini di Giulia, you'll find a curated selection of the best plants for autumn and all the products you need to care for them properly. Transform your home into a welcoming green refuge, and let the beauty of autumn inspire you.
