One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

By reviewing the USDA zone info for Princeton it's a good idea to figure out when it's possible to plant fanflower.

Planting Calendar for Fanflower

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

It's probably a bad idea to plant fanflower until after the last frost because they require warm weather.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Princeton. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Princeton is just an average and the actual date of last frost is different every year. Since half of the time in Princeton there is a last frost after April 15 be ready to protect your fanflower if you have one of those late frosts.

USDA Zone Info for Princeton

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Princeton

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