NASHVILLE, Tenn. (WKRN) — Let’s talk about something that gardeners and plant lovers love to keep an eye on every fall, the first frost of the season. I know, I know… It’s been unseasonably warm for most of the season; it’s hard to even think about it. Believe me, it’ll be here before you know it!
The first frost is when temperatures drop to 32° or below, which is when we see frost forming on surfaces.
This is usually when the growing season comes to an end, especially for tender plants like tomatoes, cucumbers, herbs, watermelon, okra, sweet potatoes, eggplant, pepper, zucchini, and squash.
Hardier plants can sometimes survive a light frost, and some can even taste sweeter afterward. Examples of these are kale, lettuce, spinach, swiss chard, carrots, and mums…