When to Plant Spearmint in Kenilworth, NJ

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant spearmint in Kenilworth can be estimated by referring to the USDA zone info.


Planting Calendar for Spearmint

Frost tolerance for spearmint: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant spearmint much earlier in the year because they do well in cold.

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

The earliest that you can plant spearmint in Kenilworth is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant spearmint and expect a good harvest is probably September. If you wait any later than that and your spearmint may not have a chance to grow to maturity. Starting your spearmint indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Kenilworth. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Kenilworth may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Kenilworth you get surprised by a frost after April 15 so always be ready to cover your spearmint if you have one of those late frosts.

USDA Zone Info for Kenilworth

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 Kenilworth

You may be interested in your other planting guides for Kenilworth.