The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant trachelium is to check out the USDA zone info for Twin Lakes.

Planting Calendar for Trachelium

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

You really shouldn't plant trachelium until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant trachelium in Twin Lakes 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. You probably don't want to wait any later than that or else your trachelium may not have a chance to really do well. Starting your trachelium indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Twin Lakes. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Twin Lakes and it is different every year. Since half of the time in Twin Lakes you get a frost after April 15 be ready to cover your trachelium if you have a surprise late frost.

USDA Zone Info for Twin Lakes

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 Twin Lakes

You may be interested in your other planting guides for Twin Lakes.