One of the best tools that you have as gardeners to help us figure out 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 Laredo can be read to determine when you can plant jerusalem artichokes.

Planting Calendar for Jerusalem artichokes

Frost tolerance for jerusalem artichokes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant jerusalem artichokes a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant jerusalem artichokes in Laredo is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant jerusalem artichokes and expect a good harvest is probably October. Any later than that and your jerusalem artichokes may not have a chance to grow to maturity. Starting your jerusalem artichokes indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Laredo. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Laredo is an average the actual date of last frost changes from year to year. Half of the time in Laredo it frosts late in the year after February 15 so make sure that you are prepared to protect your jerusalem artichokes in the event of a surprise late frost.

USDA Zone Info for Laredo

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 Laredo

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