One of the first steps you take when you are getting a good idea 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.

The earliest that you can plant trachelium in Hanford can be figured out by referring to 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 a bad idea to plant trachelium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant trachelium in Hanford is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant trachelium and expect a good harvest is probably September. 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

The average date of last frost is February 15 in Hanford. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Hanford is just an average the actual date of last frost changes from year to year. Since half of the time in Hanford it frosts late in the year after February 15 be ready to protect your trachelium if you have one of those late frosts.

USDA Zone Info for Hanford

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Hanford

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