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.

You can determine when it's a good idea to plant asparagus in Yucaipa by checking out 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 are one of those plants that can tolerate quite a bit of cold weather which tells us that you can get them planted much earlier than other frost tender plants.

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

The last month that you can plant asparagus and expect a good harvest is probably October. Any later than that and your asparagus may not have a chance to really do well. If you are starting your asparagus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Yucaipa. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Yucaipa may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Yucaipa last frost occurs after February 15 so be sure to be ready to protect your asparagus if you have one of those late frosts.

USDA Zone Info for Yucaipa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Yucaipa

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