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.

The USDA zone info for Waseca can be used to determine when to plant twinspur.

Planting Calendar for Twinspur

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

Twinspur do ok in some cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant twinspur in Waseca 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 twinspur and expect a good harvest is probably August. Any later than that and your twinspur may not have a chance to really do well. You can get started a few weeks earlier by starting your twinspur indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Waseca is not always accurate and the actual date of last frost is different every year. Half of the time in Waseca there is a last frost after May 15 so make sure that you are ready to protect your twinspur if you have a surprise late frost.

USDA Zone Info for Waseca

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 Waseca

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