One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when you can plant erysimum is to refer to the USDA zone info for Shawnee.

Planting Calendar for Erysimum

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

Erysimum are moderately cold tolerant which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant erysimum in Shawnee is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant erysimum and expect a good harvest is probably September. Any later than that and your erysimum may not have a chance to really do well. Starting your erysimum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Shawnee. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Shawnee is not always accurate and the actual date of last frost is different every year. Half of the time in Shawnee it frosts late in the year after April 15 so make sure that you are ready to cover your erysimum if you have a surprise late frost.

USDA Zone Info for Shawnee

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Shawnee

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