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

The USDA zone info for Anoka can be used to figure out when it's a good idea 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.

Since twinspur do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant twinspur in Anoka 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. You probably don't want to wait any later than that or else your twinspur may not have a chance to grow to maturity. If you are starting your twinspur indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Anoka. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Anoka may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Anoka there is a last frost after May 15 so just be sure to be ready to cover your twinspur in the event of a late frost.

USDA Zone Info for Anoka

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 Anoka

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