The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Pierre you will be able to determine when you can plant baby blue eyes.

Planting Calendar for Baby Blue Eyes

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

You can plant baby blue eyes just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant baby blue eyes in Pierre 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 baby blue eyes and expect a good harvest is probably August. If you wait any later than that and your baby blue eyes may not have a chance to grow to maturity. Starting your baby blue eyes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Pierre. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Pierre is just an average and the actual date of last frost will vary from year to year. Half of the time in Pierre last frost occurs after May 15 so be sure to be ready to protect your baby blue eyes if you have one of those late frosts.

USDA Zone Info for Pierre

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 Pierre

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