One of the best tools that you have as gardeners to help us estimate 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 best time to plant asparagus in Austin should be determined by referring to the USDA zone info.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant asparagus a lot earlier in the year because they do well in cold.

The earliest that you can plant asparagus in Austin 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 asparagus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your asparagus may not have a chance to grow to maturity. If you are starting your asparagus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Austin the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Austin may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Austin it frosts late in the year after March 15 so be sure to be ready to protect your asparagus in the event of a late frost.

USDA Zone Info for Austin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Austin

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