One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

You can figure out when it's possible to plant lovage in Caribou by looking at the USDA zone info.

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 can survive in some cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lovage in Caribou 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. If you wait any later than that and your lovage may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lovage indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Caribou. You should expect an average low temperature of -30°F in the coldest months of winter.

Keep in mind that USDA zone info for Caribou is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Caribou you get surprised by a frost after May 15 so be sure to be ready to protect your lovage in the event of one of those late frosts.

USDA Zone Info for Caribou

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Caribou

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