Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant pyrethrum in Faribault should be estimated by using the USDA zone info.

Planting Calendar for Pyrethrum

Frost tolerance for pyrethrum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since pyrethrum are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant pyrethrum in Faribault 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 pyrethrum and expect a good harvest is probably August. Any later than that and your pyrethrum may not have a chance to fully mature. You can get started a few weeks earlier by starting your pyrethrum indoors.

Last Frost Date

The average date of last frost is May 15 in Faribault. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Faribault is not always accurate the actual date of last frost is different every year. Half of the time in Faribault last frost occurs after May 15 so be sure to be ready to protect your pyrethrum in the event of a surprise late frost.

USDA Zone Info for Faribault

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 Faribault

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