Tips for Indoor Growing in Winter: How to Keep Your Plantation in Optimal Conditions
Growing cannabis indoors is an excellent alternative for those looking to control the environment of their plants and ensure quality production throughout the year.
However, winter presents specific challenges, such as cold temperatures, low humidity and reduced availability of natural light, which can affect optimal crop development.
At Purple Gelatto CBD®, we understand the importance of taking care of every detail in your indoor cultivation. That's why we offer you the best tips to maintain a healthy and productive crop in winter.
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1. Control Temperature and Humidity
Winter can cause sudden drops in temperature, affecting plant growth.
Recommended temperature:
• During the day: 22-26°C
• During the night: 18-20°C
✔ Tip: Use a thermostat to keep the temperature stable. If the temperature drops too low, you can use thermal blankets or heaters.
✔ Extra tip: Avoid sudden changes in temperature between day and night, as they can stress the plants.
Recommended humidity:
• Vegetative stage: 50-70%
• Flowering stage: 40-50%
✔ Tip: Use a humidifier if the environment is too dry, or place containers of water near the plants to increase humidity.
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2. Lighting: The Key to Optimal Growth
During winter, the days are shorter and natural light is less intense. In indoor cultivation, artificial lighting is essential for plant development.
Recommended types of lights:
✅ LED: They consume less energy, generate little heat and have an ideal spectrum.
✅ HPS (high pressure sodium): They provide great light intensity, but generate more heat.
✔ Tip: Maintain a constant photoperiod of 18 hours of light and 6 hours of darkness in the vegetative phase, and 12/12 in flowering.
✔ Avoid excess heat on the top of the plants by adjusting the height of the lights.
3. Ventilation and Air Circulation
Stagnant air in winter can cause fungal and humidity problems, affecting the health of plants.
✔ Tip: Use oscillating fans to prevent air from accumulating in specific areas.
✔ Ensures good air extraction and intraction to renew oxygen and prevent diseases.
✔ Avoid placing plants near cold drafts, such as windows or doors.
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4. Irrigation: Less Frequency, More Control
In winter, water evaporation is less and the roots absorb water more slowly.
✔ Tip: Water less frequently, but make sure the substrate does not dry out completely.
✔ Avoid using cold water, as it can stress the roots. Ideally, keep the water at a temperature of 20-22°C.
✔ Use pots with good drainage to avoid waterlogging and fungal problems.
5. Fertilization: Adjust Nutrients to the Season
Plants in winter may need fewer nutrients due to their slower growth.
✔ Tip: Reduce the amount of fertilizer and avoid excess salts in the substrate.
✔ Use root stimulators to strengthen roots and improve nutrient absorption.
✔ Ensure a good balance between nitrogen (N), phosphorus (P) and potassium (K) depending on the growth phase.
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6. Pest and Fungus Prevention
Winter can promote the growth of mold and mildew due to high humidity and lack of ventilation.
✔ Tip: Keep humidity under control and check the leaves and substrate periodically.
✔ Use natural preventatives, such as neem oil or garlic and cinnamon extracts, to prevent the proliferation of pests.
✔ Avoid excess moisture in the substrate, as it encourages the appearance of fungi such as fusarium or powdery mildew.
Conclusion
Indoor cultivation in winter requires special attention to maintain optimal conditions of temperature, humidity, lighting and ventilation.
By following these tips, you can ensure the best development of your plants and avoid common seasonal problems.
At Purple Gelatto CBD®, we offer premium CBD inspired by the best cannabis genetics, ensuring quality products, without THC and with the best terpene profiles.
Discover our online store and place your order today. We ship all over Spain!
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