Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Trenton can be reviewed to determine when it's the best time 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 moderately cold tolerant.

The earliest that you can plant daylily 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 daylily and expect a good harvest is probably September. Any later than that and your daylily may not have a chance to grow to maturity. You can get started a little bit earlier by starting your daylily indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Trenton. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Trenton may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Trenton there is a last frost after April 15 be ready to protect your daylily in the event of a surprise late frost.

USDA Zone Info for Trenton

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 Trenton

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