When to Plant Zucchini in Johnson City, TN

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Johnson City can be reviewed to determine when it's the best time to plant zucchini.


Planting Calendar for Zucchini

Frost tolerance for zucchini: Not tolerant of frost.
When to plant: After the last frost has passed.

It's probably not a good idea to plant zucchini until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant zucchini
Possibly ok, but a risky time to plant zucchini
Probably not a good time to plant zucchini

The earliest that you can plant zucchini in Johnson City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant zucchini and expect a good harvest is probably August. You probably don't want to wait any later than that or else your zucchini may not have a chance to grow to maturity. Starting your zucchini indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Johnson City. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Johnson City may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Johnson City last frost occurs after April 15 be ready to cover your zucchini in the event of one of those late frosts.

USDA Zone Info for Johnson City

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Johnson City

You may be interested in your other planting guides for Johnson City.