The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant asparagus fern in Chico should be determined by using the USDA zone info.

Planting Calendar for Asparagus Fern

Frost tolerance for asparagus fern:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant asparagus fern until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant asparagus fern in Chico 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 fern and expect a good harvest is probably September. Any later than that and your asparagus fern may not have a chance to grow to maturity. Starting your asparagus fern indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Chico. It might get as low as 20°F during the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Chico and it will vary from year to year. Since half of the time in Chico last frost occurs after February 15 be ready to protect your asparagus fern if you have one of those late frosts.

USDA Zone Info for Chico

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 Chico

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