Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lima you can figure out when it's the best time to plant trachelium by looking at the USDA zone info.

Planting Calendar for Trachelium

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

Since trachelium are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant trachelium in Lima 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 fully mature. Starting your trachelium indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Lima the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Lima is just an average the actual date of last frost will vary from year to year. Since half of the time in Lima there is a last frost after April 15 be ready to protect your trachelium if you have one of those late frosts.

USDA Zone Info for Lima

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 Lima

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