The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant bellis in Pierre should be figured out by using the USDA zone info.

Planting Calendar for Bellis

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

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

The earliest that you can plant bellis 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 bellis and expect a good harvest is probably August. Any later than that and your bellis may not have a chance to grow to maturity. Starting your bellis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Pierre may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Pierre you get a frost after May 15 be ready to cover your bellis if you have a late frost.

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.