Houseplant experts share the best temperatures for indoor plants to thrive

After light, temperature is the second most important factor affecting plant growth in houseplants. Many indoor plants come from tropical or subtropical regions and do not do well in colder climates. This is one reason for their popularity as houseplants; The temperature inside most homes is ideal. The gardening experts at BackyardBoss share what temperatures are best for your houseplants to thrive year-round.

He added: “Temperatures can fluctuate greatly depending on a variety of factors such as the time of year and location within the home.

“Keeping temperature in mind when choosing a location for your plants is important for the health of your plants.”

How does temperature affect growth?

Plant pros note: “Temperature and light work hand-in-hand to keep houseplants thriving. Sunlight is needed for the process of photosynthesis, but without temperatures desirable for plant growth it is difficult.” Won’t be possible.”

Temperature aids in respiration, breaking down the energy provided through photosynthesis.

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Through the process of respiration, plants use stored oxygen and sugars, converting them into energy. The by-products are carbon dioxide and water.

Experts warned: “Higher temperatures will lead to increased respiration, water loss and dehydration, which may result in shrinkage.

“Lower temperatures will result in decreased respiration resulting in stunted growth, foliar damage, leaf drop, or plant death. This is why it is important to determine the proper temperature requirements for your specific plant.” Best to know and keep an eye on your thermostat.

Which temperature is too cold?

If the temperature drops below 10°C, it is usually too cold for most houseplants. The pros explain: “Brief periods of temperatures between five and 10 degrees Celsius may not be harmful to all indoor plants, but most will not survive long in this range.”

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There are always exceptions to the rules; Cast iron plants, ferns, cyclamen and succulents can all survive the low temperatures, and some even like it. For example, succulent plants are often quite happy with nighttime temperatures of five degrees Celsius.

If you’re decorating a cooler area of ​​your home, some great choices are parlor palms, baby rubber plants, English ivy. However, most houseplants will not thrive in these cool temperatures.

What’s the Best Temperature for Houseplants?

Houses are usually above 10 degrees which houseplants will be happy with. Houseplant gurus said: “The best temperature for houseplants during the day is between 21 and 27 degrees. Most plants prefer a cooler temperature of 10 to 15 degrees at night.

“A drop in temperature slows respiration rates which helps with energy production. Flowering plants will benefit from a lower temperature of 12 to 15 degrees. Cooler temperatures help extend the life of their blooms.

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“Many houseplants will survive in a range below 12 and above 27 degrees, but in some cases this can stunt their growth. Make sure you check the growing requirements of your plants to avoid plant death.” What temperature do you prefer?

In colder months, insulating the pot, or using a heat mat can help keep your plants warm. For plants exposed to extreme heat for long periods of time, be sure to provide additional water to reduce stress.

Maintaining the Ideal Temperature for Your Houseplants

To maintain the ideal temperature for your houseplants, set the thermostat at a level that makes you comfortable and makes your plants happy. For example, potted plants will do well in 18 to 24 degrees, while plants with more foliage can tolerate higher temperatures.

Plant experts said: “Even setting your thermostat a few degrees cooler at night can benefit some plants, but is not essential. Homes are often naturally cool at night. Plants near windows that receive direct light will experience warmer temperatures than plants facing back from windows. These windowsill spots are perfect for flowering plants that benefit from the big drop in nighttime temperatures.

“Be careful about where you keep your plants, and move them if necessary to avoid blasts from air conditioners or heating vents. In the winter months, you may need to move the plants back slightly from the windowsill to make sure the leaves are not touching the glass—the cold panes can damage plant tissue.

how does humidity affect

In tropical habitats and greenhouses where plants thrive, the humidity level in the air is higher than that typically provided in homes. Exceptions include succulents and cacti that live in dry environments and prefer low humidity. Otherwise, according to experts, houseplants will prefer moderate humidity levels between 40 and 50 percent.

He added: “Whether it’s a dry climate, or your location has drafts from air conditioners and heating units, the humidity in most homes is often low (especially in winter). When this relative humidity is too low, This can lead to rapid water loss, resulting in shriveled leaves.

“You can increase the humidity around your plants by grouping them together, using a humidifier, and growing them in a terrarium or glass cabinet. However, high relative humidity combined with high heat can be detrimental to the health of your plants. When indoor temperatures climb above 30 degrees, it can rapidly dehydrate your plants.

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