Discover the ideal temperature for your houseplants with our comprehensive guide. From foliage plants to succulents, learn the temperature range that supports optimal growth and health. Find out the factors affecting temperature preferences and get tips on maintaining the perfect temperature conditions for your indoor greenery.

Introduction

Welcome to our comprehensive guide on Basic Care for houseplants, focusing on the ideal temperature for their growth and health. If you’re a plant lover or a beginner gardener, understanding the temperature requirements of your indoor plants is vital for their well-being. In this article, we will provide you with all the necessary information about the ideal temperature range for houseplants, factors affecting temperature preferences, and tips to maintain optimal temperature conditions for your indoor greenery.

Ideal Temperature for Houseplants

Houseplants, just like outdoor plants, have specific temperature preferences for optimal growth and development. While different plant species may have varying temperature requirements, there is a general temperature range that most houseplants thrive in. According to multiple sources[^1][^2][^3][^4][^5][^6][^7][^8][^9][^10][^11][^12][^13][^14][^15], the ideal temperature for most houseplants is between 60°F and 75°F (15°C to 24°C). This range provides a comfortable environment for the majority of indoor plants and supports their overall health.

Temperature Preferences by Plant Type

It’s important to note that specific plant types, such as foliage plants and flowering plants, may have slightly different temperature preferences[^2]. Here’s a breakdown of the temperature ranges preferred by different types of houseplants:

  1. Foliage Plants:
  2. Daytime: 70°F to 80°F (21°C to 27°C)
  3. Nighttime: 60°F to 68°F (15°C to 20°C)

  4. Flowering Plants:

  5. Daytime: 70°F to 80°F (21°C to 27°C)
  6. Nighttime: 55°F to 60°F (13°C to 16°C)

Maintaining a temperature difference between day and night is beneficial for the plants’ physiological recovery, intensifying flower color, and prolonging flower life[^2].

Temperature Preferences by Plant Species

Apart from the general temperature preferences, certain houseplants have specific temperature requirements based on their native habitats. Here are some examples[^3][^12]:

  1. Cacti:
  2. Minimum temperature: 50°F to 60°F (10°C to 16°C)
  3. Ideal temperature: 70°F to 80°F (21°C to 27°C)

  4. Succulents:

  5. Minimum temperature: 60°F (15°C)
  6. Ideal temperature: Varies by species but generally between 70°F and 80°F (21°C to 27°C)

  7. Flowers:

  8. Daytime temperature: 70°F to 80°F (21°C to 27°C)
  9. Nighttime temperature: 65°F to 70°F (18°C to 21°C)

  10. Tender Perennials:

  11. Minimum temperature: 60°F to 65°F (15°C to 18°C)

  12. Subtropical and Tropical Plants:

  13. Ideal temperature: 70°F to 80°F (21°C to 27°C)

  14. Hardy Plants:

  15. Able to withstand below-freezing temperatures (varies by species)

It is important to consider the specific temperature requirements of each individual plant to ensure optimal growing conditions[^3][^6][^10][^12][^13].

Factors Affecting Temperature Preferences

Several factors can influence the temperature preferences of houseplants. Understanding these factors will help you create a suitable environment for your indoor greenery.

Native Habitat

Houseplants often originate from various regions with different climates. Their temperature preferences are often influenced by their native habitat. For example, tropical plants thrive in warmer temperatures, while plants native to colder climates prefer cooler conditions[^10][^12].

Growth Stage

Different growth stages of houseplants may have varying temperature requirements. Generally, plants require a slightly higher temperature during active growth and a slightly lower temperature during dormancy[^10].

Light Levels

The amount and intensity of light the plants receive can affect their temperature preferences. Plants exposed to high light levels may tolerate higher temperatures, while those in lower light conditions may require slightly cooler temperatures[^14].

Ventilation and Air Circulation

Good air circulation and ventilation help regulate temperature fluctuations and prevent heat buildup around the plants. Adequate airflow helps maintain a stable temperature for the plants and minimizes the risk of diseases caused by stagnant air[^8][^13].

Tips to Maintain Optimal Temperature for Houseplants

Now that we have covered the ideal temperature range and factors influencing temperature preferences, let’s explore some tips to help you maintain the ideal temperature conditions for your houseplants:

  1. Positioning: Place your houseplants away from drafts, such as windows, doors, and air conditioning vents. These drafts can expose your plants to sudden temperature changes, which can stress them or cause cold damage[^5][^8].

  2. Heat Sources: Avoid placing your plants near heat sources like radiators, fireplaces, or other heating systems. These heat sources can lead to excessively high temperatures around the plants and dry out the air, potentially harming your plants[^5][^7].

  3. Grouping Plants: Grouping plants together can create a microclimate where the collective transpiration increases humidity levels and raises the temperature in their vicinity. This helps create a more suitable environment for the plants, especially in dry or cooler areas[^7].

  4. Humidity: Most indoor environments lack sufficient humidity for healthy houseplants, particularly during the winter months. To increase humidity around your plants, you can mist them with tepid water, use a tray filled with water and pebbles under the pots, or consider using an automatic humidifier in your home[^2][^7].

  5. Temperature Regulation: During the winter, when indoor heating systems can create dry air, reducing the thermostat temperature slightly during the night can help provide a natural drop in temperature preferred by many houseplants[^14]. Additionally, proper insulation of windows, avoiding air currents, and covering windows with curtains or paper in extreme heat can help regulate temperature[^6].

By implementing these tips, you can create a suitable temperature environment for your houseplants and support their growth and well-being.

Conclusion

Understanding the ideal temperature range and preferences of houseplants is crucial for their growth and health. While most houseplants thrive between 60°F and 75°F (15°C to 24°C), specific plant types and species may have slightly different temperature requirements. Factors such as native habitat, growth stage, light levels, and ventilation contribute to the temperature preferences of indoor plants. By considering these factors and following the tips provided, you can maintain optimal temperature conditions for your houseplants, ensuring their continued health and vibrancy.

References

[^1]: House and Indoor Plants Temperature Guide – House Plants Guide and Tips. (n.d.). Retrieved from <a href=”https://www.houseplantsexpert.com/indoor-plants-temperature-guide.html“>https://www.houseplantsexpert.com/indoor-plants-temperature-guide.html](https://www.houseplantsexpert.com/indoor-plants-temperature-guide.html)
[^2]: Temperature and Humidity for Indoor Plants | University of Maryland Extension. (n.d.). Retrieved from <a href=”https://extension.umd.edu/resource/temperature-and-humidity-indoor-plants“>https://extension.umd.edu/resource/temperature-and-humidity-indoor-plants](https://extension.umd.edu/resource/temperature-and-humidity-indoor-plants)
[^3]: House Plants Temperature Guide | Blossom. (n.d.). Retrieved from <a href=”https://blossomplant.com/blog/indoor-plants/houseplant-temperature-guide“>https://blossomplant.com/blog/indoor-plants/houseplant-temperature-guide](https://blossomplant.com/blog/indoor-plants/houseplant-temperature-guide)
[^4]: How temperature effects houseplants | Our House Plants. (n.d.). Retrieved from <a href=”https://www.ourhouseplants.com/guides/temperature“>https://www.ourhouseplants.com/guides/temperature](https://www.ourhouseplants.com/guides/temperature)
[^5]: What is Best Temperature For Indoor Plants? Houseplants Pro. (n.d.). Retrieved from <a href=”https://houseplantspro.com/best-temperature-for-indoor-plants/“>https://houseplantspro.com/best-temperature-for-indoor-plants/](https://houseplantspro.com/best-temperature-for-indoor-plants/)
[^6]: Temperature Stress In Plants – How Does Temperature Affect Plant Growth? (n.d.). Retrieved from <a href=”https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm“>https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm](https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm)
[^7]: Temperature And Plant Growth: How Does Temperature Affect Plant Growth? (n.d.). Retrieved from <a href=”https://gardening-abc.com/How-Does-Temperature-Affect-Plant-Growth/“>https://gardening-abc.com/How-Does-Temperature-Affect-Plant-Growth/](https://gardening-abc.com/How-Does-Temperature-Affect-Plant-Growth/)
[^8]: 1317 – Houseplants: Temperature & Humidity – PlantTalk Colorado. (n.d.). Retrieved from <a href=”https://planttalk.colostate.edu/topics/houseplants/1317-houseplants-temperature-humidity/“>https://planttalk.colostate.edu/topics/houseplants/1317-houseplants-temperature-humidity/](https://planttalk.colostate.edu/topics/houseplants/1317-houseplants-temperature-humidity/)
[^9]: 9 Must-Know Tips for Keeping Your Houseplants Happy in Winter. (n.d.). Retrieved from <a href=”https://www.bhg.com/gardening/houseplants/care/winter-houseplants-care-tips/“>https://www.bhg.com/gardening/houseplants/care/winter-houseplants-care-tips/](https://www.bhg.com/gardening/houseplants/care/winter-houseplants-care-tips/)
[^10]: Tips For Warming Houseplants – Keeping Houseplants Warm In Winter. (n.d.). Retrieved from <a href=”https://www.gardeningknowhow.com/houseplants/hpgen/keep-houseplants-warm-during-winter.htm“>https://www.gardeningknowhow.com/houseplants/hpgen/keep-houseplants-warm-during-winter.htm](https://www.gardeningknowhow.com/houseplants/hpgen/keep-houseplants-warm-during-winter.htm)
[^11]: Temperature Stress In Plants – How Does Temperature Affect Plant Growth? (n.d.). Retrieved from <a href=”https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm“>https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm](https://www.gardeningknowhow.com/plant-problems/environmental/temperature-on-plants.htm)
[^12]: 22 Cold Tolerant Indoor Plants for Colder Rooms. (n.d.). Retrieved from <a href=”https://balconygardenweb.com/cold-tolerant-indoor-plants/“>https://balconygardenweb.com/cold-tolerant-indoor-plants/](https://balconygardenweb.com/cold-tolerant-indoor-plants/)
[^13]: Healthy Indoor Environment – Best Climates Indoors for Houseplants. (n.d.). Retrieved from <a href=”https://www.gardeningknowhow.com/houseplants/hpgen/indoor-climates-for-healthy-houseplants.htm“>https://www.gardeningknowhow.com/houseplants/hpgen/indoor-climates-for-healthy-houseplants.htm](https://www.gardeningknowhow.com/houseplants/hpgen/indoor-climates-for-healthy-houseplants.htm)
[^14]: This is the perfect temperature for houseplants, according to a study. (n.d.). Retrieved from <a href=”https://www.gardeningetc.com/news/perfect-temperature-for-houseplants“>https://www.gardeningetc.com/news/perfect-temperature-for-houseplants](https://www.gardeningetc.com/news/perfect-temperature-for-houseplants)
[^15]: 10 Hardy Houseplants That Will Survive the Winter Cold. (n.d.). Retrieved from <a href=”https://ecogardener.com/blogs/news/10-hardy-houseplants-that-will-survive-the-winter-cold“>https://ecogardener.com/blogs/news/10-hardy-houseplants-that-will-survive-the-winter-cold](https://ecogardener.com/blogs/news/10-hardy-houseplants-that-will-survive-the-winter-cold)