Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Big Spring you can estimate when it's the best time to plant trachelium by checking out the USDA zone info.

Planting Calendar for Trachelium

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

Trachelium are not cold tolerant which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trachelium in Big Spring 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 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 March 15 in Big Spring. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Big Spring may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Big Spring last frost occurs after March 15 be ready to protect your trachelium if you have one of those late frosts.

USDA Zone Info for Big Spring

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Big Spring

You may be interested in your other planting guides for Big Spring.