One of the first steps you take when you are making a decision about your gardening schedule is find your 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 Urbandale should be reviewed to determine when you can 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 tend to make it in cold weather which tells us that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant asparagus in Urbandale 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. If you wait any later than that and your asparagus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your asparagus indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Urbandale is just an average and the actual date of last frost will vary from year to year. Half of the time in Urbandale last frost occurs after April 15 so always be ready to protect your asparagus in the event of a surprise late frost.

USDA Zone Info for Urbandale

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 Urbandale

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