Most common questions used to investigate
Is the temperature getting colder for your plants?
Are your plants located in an open area?
Are your plants well-established for a long time?
Are your plants protected by fences?
Are the plants placed in containers?
Are there any pests and bugs near the location of your plants?
Are your plants vulnerable to temperature level fluctuations?
Common conclusions
If the temperature level decreases and has the possibility of harming your plants, you can cover it by using cardboard boxes or a tarp. Avoid using cloths as a cover as they may become heavy when they get wet.
If your plants are grown in an open area, covering them during the night will help, as they are more prone to bad weather conditions, pests, and the like.
If your pants are newly set out, that means they are more susceptible to the cold; hence, they need more protection compared to the well-established ones. Consider covering them during the night to prevent them from getting frozen.
If the plants are placed near a fence or any structure, they will be more protected and sheltered. You can choose not to cover it, especially if the weather is not unfavorable.
If the plants are placed inside a container, you can move them to another area to shelter them from harmful external factors. If that is too much of a work for you, you can loosely throw a cover on them.
To protect your plants from getting eaten and damaged by bugs and pests, you can use row covers with built-in pores to shelter them from insects.
If your plants are easily affected by coldness or strong winds, it would be best to cover them during the night to prevent the cold layers from forming on your plants.
If your plants can survive just fine even without a covering, then you can leave it open during the night as many plants may wilt during the night but can quickly perk up during the day.
References
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