One of the first steps you take when you are making a decision about 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 USDA zone info for Princeton can be reffered to in order to figure out when it's a good idea to plant daylily.

Planting Calendar for Daylily

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

You can plant daylily a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant daylily in Princeton 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 daylily and expect a good harvest is probably September. Any later than that and your daylily may not have a chance to fully mature. You can get started a few weeks earlier by starting your daylily indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Princeton. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Princeton is not always accurate and the actual date of last frost changes from year to year. Half of the time in Princeton you get a frost after April 15 so be sure to be ready to protect your daylily in the event of a late frost.

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.