One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

In Cottage Grove you can figure out when 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 a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant daylily in Cottage Grove 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. If you wait any later than that and your daylily may not have a chance to grow to maturity. Starting your daylily indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Cottage Grove. It might get as low as -25°F during the coldest months of winter.

Remember that USDA zone info for Cottage Grove is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Cottage Grove it frosts late in the year after May 15 be ready to cover your daylily if you have one of those late frosts.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.