Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 Herriman can be read to figure out when 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 do well in moderate cold.

The earliest that you can plant daylily in Herriman 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 fully mature. You can get started a few weeks earlier by starting your daylily indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Herriman. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Herriman 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 Herriman you get surprised by a frost after April 15 be ready to protect your daylily if you have a surprise late frost.

USDA Zone Info for Herriman

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Herriman

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