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

A way of estimating when to plant lavender cotton is to use the USDA zone info for Pierre.

Planting Calendar for Lavender Cotton

Frost tolerance for lavender cotton:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since lavender cotton are one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than more sensitive plants.

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

Last Frost Date

On average all chance of frost has passed is on May 15 in Pierre. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Pierre is just an average and the actual date of last frost is different every year. Since half of the time in Pierre you get surprised by a frost after May 15 be ready to protect your lavender cotton 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.