Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Kenai you can estimate when it's a good idea to plant asparagus by using 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 much earlier in the year because they do well in cold.

The earliest that you can plant asparagus in Kenai is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Kenai. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Kenai may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Kenai there is a last frost after May 15 be ready to cover your asparagus in the event of a surprise late frost.

USDA Zone Info for Kenai

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Kenai

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