Do plants have ambient temperatures?

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In summary, during winter, temperatures outside average -10 Celcius and the internal temperature of a pine tree may vary from species to species. However, trees are not homeothermic like mammals and have adaptations to deal with cold temperatures. Some plants have ways to prevent cell damage, such as antifreeze compounds. There is no definitive study that states the exact internal temperature of a plant compared to the outside temperature.
  • #1
Consider a pine tree in a freezing climate. During winter temperatures outside average -10 Celcius. My question is how warm the inside of the pine tree is during this period. Clearly, this would vary from species to species, but in general, does the pine tree keep an internal temperature above 0 celcius?
 
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  • #2
No.

Trees are not homeothermic like mammals. Plants a have a lot of adaptations for dealing with cold, and may often have temperatures inside tissues that are above ambient.

A lot of plants do have ways to stop cell damage in very cold temperatures. Plants in the Altiplano in the Andes are often very shaggy looking, for example. Other species have 'antifreeze' compounds that prevent cell membrane rupture during freeze-thaw cycles.
 
  • #3
Thanks Jim. So for example, do you know of any study that says definitively that 'so and so' plant had an internal temperature of 1 Celsius, when it was -5 Celsius outside? Or something to that effect where its clear just how warm the plant keeps itself versus the outside envinronment?
 

1. Do plants have a specific ambient temperature?

Yes, plants do have a specific ambient temperature that is optimal for their growth and survival. This temperature can vary depending on the species of plant and their natural habitat.

2. How does ambient temperature affect plant growth?

Ambient temperature plays a crucial role in plant growth and development. Extreme temperatures, whether too hot or too cold, can have negative effects on plant health, leading to stunted growth, wilting, and even death.

3. Can plants adjust to different ambient temperatures?

Plants have the ability to acclimate to different ambient temperatures, but this process can take time. Some plants, such as succulents, are better adapted to extreme temperatures and can survive in a wider range of ambient temperatures.

4. What is the ideal ambient temperature for plant growth?

The ideal ambient temperature for plant growth varies depending on the plant species. Generally, most plants thrive in temperatures between 65-75°F (18-24°C). However, some plants, like tropical plants, may require higher temperatures for optimal growth.

5. How can I control the ambient temperature for my plants?

There are several ways to control the ambient temperature for plants, including using a greenhouse, adjusting the temperature in a controlled indoor environment, or using shade or insulation to protect plants from extreme temperatures. It is important to research the specific temperature needs of your plants and make adjustments accordingly.

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