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.

A way of determining when to plant daylily is to refer to the USDA zone info for Rochester.

Planting Calendar for Daylily

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

Since daylily do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant daylily in Rochester 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 really do well. You can get started a little bit earlier by starting your daylily indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Rochester. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for Rochester is not always accurate and the actual date of last frost is different every year. Since half of the time in Rochester last frost occurs after April 15 be ready to cover your daylily if you have one of those late frosts.

USDA Zone Info for Rochester

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Rochester

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