One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Glendale should be used to figure out when you can plant trachelium.

Planting Calendar for Trachelium

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

Trachelium do not do well in cold weather which tells us that it is important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant trachelium in Glendale is February. However, you really should wait until March 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. If you wait 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 couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Glendale. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Glendale is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Glendale you get a frost after January 31 be ready to cover your trachelium in the event of one of those late frosts.

USDA Zone Info for Glendale

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Glendale

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