Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 Mount Prospect should be read to figure out when it's the best time 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.

You can plant lovage just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant lovage in Mount Prospect 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 lovage and expect a good harvest is probably August. You probably don't want to wait any later than that or else 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 little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Mount Prospect. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Mount Prospect is an average and the actual date of last frost is different every year. Half of the time in Mount Prospect last frost occurs after April 15 so make sure that you are ready to cover your lovage if you have a surprise late frost.

USDA Zone Info for Mount Prospect

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mount Prospect

You may be interested in your other planting guides for Mount Prospect.