One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. 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 getting a good idea when it's the best time to plant trachelium is to refer to the USDA zone info for Central City.

Planting Calendar for Trachelium

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

Since trachelium are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant trachelium in Central City 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. Any later than that and your trachelium may not have a chance to really do well. If you are starting your trachelium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Central City the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Central City is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Central City you get a frost after April 15 so make sure that you are prepared to protect your trachelium if you have one of those late frosts.

USDA Zone Info for Central City

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 Central City

You may be interested in your other planting guides for Central City.