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

In Creve Coeur you can estimate when it's a good idea to plant strawflowers by using the USDA zone info.

Planting Calendar for Strawflowers

Frost tolerance for strawflowers:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Strawflowers are barely cold tolerant which means that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant strawflowers in Creve Coeur 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 strawflowers and expect a good harvest is probably August. Any later than that and your strawflowers may not have a chance to fully mature. Starting your strawflowers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Creve Coeur. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Creve Coeur is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Creve Coeur last frost occurs after April 15 be ready to cover your strawflowers if you have one of those late frosts.

USDA Zone Info for Creve Coeur

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Creve Coeur

You may be interested in your other planting guides for Creve Coeur.