One of the first steps you take when you are determining 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.

In Trenton you can figure out when it's the best time to plant parsley by looking at the USDA zone info.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley do ok in moderate cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant parsley in Trenton 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 parsley and expect a good harvest is probably September. You probably don't want to wait any later than that or else your parsley may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your parsley indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Trenton. In the coldest months of winter you should expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Trenton is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Trenton it frosts late in the year after April 15 be ready to protect your parsley in the event of one of those late frosts.

USDA Zone Info for Trenton

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 Low	0°F
Highest Expected Low	5°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 Trenton

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