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.

In Webster City you can figure out when it's a good idea to plant asparagus 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.

Asparagus do well in a bit of cold which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant asparagus in Webster City 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. Any later than that and your asparagus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your asparagus indoors.

Last Frost Date

The average date of last frost is April 15 in Webster City. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Webster City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Webster City you get a frost after April 15 so make sure that you are ready to cover your asparagus in the event of a late frost.

USDA Zone Info for Webster City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Webster City

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