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.

The earliest that you can plant calliopsis in Walker can be determined by looking at the USDA zone info.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant calliopsis until after the last frost because they require warm weather.

The earliest that you can plant calliopsis in Walker is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant calliopsis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calliopsis may not have a chance to grow to maturity. If you are starting your calliopsis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Walker. You can expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Walker is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Walker there is a last frost after March 15 so make sure that you are prepared to cover your calliopsis in the event of a surprise late frost.

USDA Zone Info for Walker

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Walker

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