What is the Lowest Overnight Temperature a Tomato Plant Can Survive?
Tomato plants are warm-season crops that prefer temperatures between 65-85°F (18-29°C). When temperatures drop below 55°F (13°C), tomato plants begin to experience cold stress. At temperatures below 45°F (7°C), tomato plants can suffer severe damage or die.
The lowest overnight temperature that a tomato plant can survive is 32°F (0°C). However, this is only for a short period of time. If the temperature remains below 32°F for more than a few hours, the tomato plant will likely die.
To protect tomato plants from cold temperatures, it is important to take steps to insulate them. This can be done by mulching around the plants, covering them with row covers, or moving them into a greenhouse.
Additional Tips for Protecting Tomato Plants from Cold Temperatures:
- Make sure tomato plants are well-watered before cold weather sets in.
- Avoid fertilizing tomato plants before cold weather sets in.
- Prune away any diseased or damaged leaves from tomato plants before cold weather sets in.
- Harden off tomato plants gradually before transplanting them outdoors.
Related Questions:
- What is the ideal temperature range for tomato plants? 65-85°F (18-29°C)
- What are the symptoms of cold stress in tomato plants? Stunted growth, yellowing leaves, wilting
- When should you start hardening off tomato plants? 2-3 weeks before transplanting outdoors
- How can you protect tomato plants from frost? Cover them with row covers or move them into a greenhouse
- What is the difference between a determinate and indeterminate tomato plant? Determinate tomato plants grow to a specific height and produce fruit all at once, while indeterminate tomato plants grow continuously and produce fruit over a longer period of time
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- Miracle-Gro Performance Organics Tomato Plant Food
- FoxFarm Happy Frog Tomato & Vegetable Fertilizer
- Burpee Tomato Plants
- Sungrow Tomato Cages
- Agrofabric Row Covers
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