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

A common way of determining when to plant daylily is to look at the USDA zone info for Alma.

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 more sensitive plants.

The earliest that you can plant daylily in Alma 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. You probably don't want to wait any later than that or else 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 all chance of frost has passed is on April 15 in Alma. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Alma may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Alma you get a frost after April 15 be ready to protect your daylily in the event of a late frost.

USDA Zone Info for Alma

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 Alma

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