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

The first opportunity to plant trachelium in Wapato should be determined by using the USDA zone info.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant trachelium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant trachelium in Wapato 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 trachelium and expect a good harvest is probably August. If you wait any later than that and your trachelium may not have a chance to grow to maturity. If you are starting your trachelium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Wapato. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Wapato is just an average and the actual date of last frost changes from year to year. Half of the time in Wapato you get a frost after April 15 so be sure to be ready to protect your trachelium in the event of a surprise late frost.

USDA Zone Info for Wapato

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Wapato

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