The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Circle Pines you can estimate when it's the best time to plant daylily by checking out the USDA zone info.

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 just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant daylily in Circle Pines is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant daylily and expect a good harvest is probably August. You probably don't want to wait any later than that or else your daylily may not have a chance to really do well. If you are starting your daylily indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Circle Pines the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Circle Pines is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Circle Pines it frosts late in the year after May 15 so make sure that you are ready to cover your daylily in the event of a surprise late frost.

USDA Zone Info for Circle Pines

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Circle Pines

You may be interested in your other planting guides for Circle Pines.