One of the first steps you take when you are estimating your gardening schedule is find your 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.

You can determine when to plant scabiosa in Pierre by checking out the USDA zone info.

Planting Calendar for Scabiosa

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

Scabiosa can survive in some cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

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

Last Frost Date

In Pierre the average date of last frost happens on May 15. You should 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 can change quite a bit from year to year. Since half of the time in Pierre there is a last frost after May 15 be ready to cover your scabiosa in the event of 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.