Before planting it is a good idea to find your USDA Zone info to determine 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 Robinson you can figure out when it's a good idea 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 the last frost has passed.

It's probably not a good idea to plant trachelium until after the last frost because they do not do well in cold weather.

The earliest that you can plant trachelium in Robinson 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. You can get started a little bit earlier by starting your trachelium indoors.

Last Frost Date

The average date of last frost is April 15 in Robinson. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Robinson is not always accurate and the actual date of last frost is different every year. Half of the time in Robinson you get surprised by 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 Robinson

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 Robinson

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