Questions tagged [temperature]

For questions about thermal environment. Use this tag with questions about the effect of different temperature levels on plants, landscape elements, insects and pests or how to create an environment with certain temperature levels. If possible indicate temperatures in questions in both Celsius and Fahrenheit degrees.

Plants can be found in virtually all environments on Earth, and hence can grow in a wide range of different thermal environments. Different plants have different thermal needs and sensitivities. Use this tag for questions about the temperatures required or tolerated by specific plants. Note that some other tags (eg. , ) may be more appropriate to the specifics of your question.

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Which tomatoes grow the best in high temperatures?

Which tomato varieties have the most heat tolerance? I live in a dry area (a steppe climate, or a Bsk climate with very hot summers), where the daytime highs are usually 89° F. or above in summer (up to about 116° F. at the most; temperatures that…
Brōtsyorfuzthrāx
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How low (and for how long) does the temperature need to be before I need to worry about covering my outdoor vegetable garden?

I have an outdoor vegetable garden in South Florida. The garden consists of things like tomatoes, peppers, lettuce, peas, and squash. Everything was started from seed about 2 months ago. I don't have any veggies yet but plenty of tall stems with…
Michael Moussa
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What is 'Hardening Off'?

Everywhere, when discussing moving a plant to a new location/climate, people mention hardening it off. What does this term mean?
J. Musser
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What is the right time to water my lawn?

I finally own my home and this is my first spring. I have a decent front lawn that I want to keep as green as possible. I've always been told not to water in the day as it can burn the grass (as a result of the sun). Is this true? Is it true all the…
David Lozzi
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What is the effect of watering on the temperature of the garden?

We have a large garden (<2 acres) that we are growing for the Post Falls, ID. food bank. The farmer is supplying the water. We have 5 zones across the garden and move the sprinklers three times to water the entire area. We are continually…
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How much heat can a cherry chili pepper withstand?

How about 45 to 49 degree Celsius? In the morning, usually the temperature is quite high, and sometimes it goes up to 40+. I help to lower the temperature in the morning just once before I go to work. Other plants like holy basil, patchouli, lemon…
lamwaiman1988
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If I harvest bell pepper, will it grow back? (I control the temperature in my small greenhouse)

If I harvest bell pepper, will it grow back? (I control the temperature 25 C* in my small greenhouse) If yes, I pick bell pepper fruit only or it needs pruning also after harvesting? how to do it correctly?
tattoo556
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What is the ideal Daylight Time for Herbs, Tomatoes and Peppers?

I am looking into the development of a hydroponics system with artificial lighting and temperature. Is there a chart showing daylight time and type(Cloud, Direct, etc.) and temperatures between plants for ideal production?
JPowell
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Does wind chill affect plants?

Aside from breakage, does wind in freezing weather damage plants? In hot weather, wind causes faster evaporation and can kill a plant by drying it out that way. How can air movement damage plant tissue at below freezing temperatures?
J. Musser
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Can eggplants survive down to 33 °F (1°C)?

We're getting a cold snap in May after the cold spring, and was wondering how cold eggplants can go while still surviving.
black thumb
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Which soil types are the best and worst thermal insulators?

A lot of plants are supposed to do better with warmer roots. So, it stands to reason that they would do better with soil with poor insulation qualities during the growing season, and that they might have difficulty with soils that insulate well (and…
Brōtsyorfuzthrāx
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Which crops or vegetables can withstand 40 degrees Celsius?

I want to know which crops or vegetables will withstand 40 degrees Celsius (103 degrees Fahrenheit)?
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What is the heat tolerance of English Lavender?

I live in India (Bombay). It is very hot here in summers. I wish to grow Lavender on my balcony, however I am not sure if it will survive the heat. What is the heat tolerance level of English lavender? Are there chances for it to survive if I plant…
Madhura Doshi
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Why are the leaves of my Peace Lily wilted and black?

I recently bought a flowering house plant. I may have watered it too much, me thinks. Since my apartment gets little natural light, I put it outside on the patio the other day in direct sunlight, only for a couple hours. When I returned, my plant…
DrKumar
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Can I move a flat of Spotted Dead Nettle outside in cold temperatures?

I have rooted many cuttings in a flat in late fall. It is Spring now in Ohio and I would like to repurpose the flat. If I pot up these young plants, can I move them outside if just above freezing temperatures occur? The established spotted nettle…
Evil Elf
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