One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 USDA zone info for King City can be used to estimate when to plant asparagus.

Planting Calendar for Asparagus

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

Asparagus do ok in pretty solid cold which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant asparagus in King City 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 asparagus and expect a good harvest is probably October. Any later than that and your asparagus may not have a chance to grow to maturity. Starting your asparagus 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 King City. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for King City may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in King City last frost occurs after February 15 so make sure that you are prepared to cover your asparagus in the event of one of those late frosts.

USDA Zone Info for King City

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 King City

You may be interested in your other planting guides for King City.