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

The best time to plant painted tongues in Princeton should be figured out by using the USDA zone info.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant painted tongues until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant painted tongues in Princeton is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant painted tongues and expect a good harvest is probably August. If you wait any later than that and your painted tongues may not have a chance to grow to maturity. If you are starting your painted tongues indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Princeton the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

It's important to remember that USDA zone info for Princeton is not always accurate and the actual date of last frost is different every year. Half of the time in Princeton it frosts late in the year after May 15 so make sure that you are ready to protect your painted tongues in the event of one of those late frosts.

USDA Zone Info for Princeton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Princeton

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