One of the first steps you take when you are making a decision about 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.

The USDA zone info for River Falls should be reviewed to determine when it's possible to plant lovage.

Planting Calendar for Lovage

Frost tolerance for lovage:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Lovage do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant lovage in River Falls is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lovage and expect a good harvest is probably August. Any later than that and your lovage may not have a chance to grow to maturity. If you are starting your lovage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in River Falls. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for River Falls is just an average and the actual date of last frost will vary from year to year. Since half of the time in River Falls last frost occurs after May 15 be ready to cover your lovage if you have a late frost.

USDA Zone Info for River Falls

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 River Falls

You may be interested in your other planting guides for River Falls.