One of the best tools that you have as gardeners to help us determine 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.

You should be able to determine when to plant asparagus by reviewing the USDA zone info for Moline.

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 quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant asparagus in Moline 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. Starting your asparagus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Moline. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Moline is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Moline it frosts late in the year after April 15 so always be ready to protect your asparagus in the event of a surprise late frost.

USDA Zone Info for Moline

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Moline

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