One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant tagetes by referring to the USDA zone info for Princeton.

Planting Calendar for Tagetes

Frost tolerance for tagetes:	Not tolerant of frost.
When to plant:	After the last frost.

Since tagetes do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tagetes in Princeton 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 tagetes and expect a good harvest is probably August. If you wait any later than that and your tagetes may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your tagetes indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Princeton. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Princeton is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Princeton last frost occurs after April 15 be ready to protect your tagetes if you have one of those late frosts.

USDA Zone Info for Princeton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

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

Plants to Grow in Princeton

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