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

By reviewing the USDA zone info for Imperial you should be able to determine when you can plant parsley.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley can survive in some cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant parsley in Imperial 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 parsley and expect a good harvest is probably October. Any later than that and your parsley may not have a chance to really do well. You can get started a couple of weeks earlier by starting your parsley indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Imperial. In the coldest months of winter you can expect an average low temperature of 30°F.

Just be sure 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 Imperial and it will vary from year to year. Since half of the time in Imperial it frosts late in the year after January 31 be ready to protect your parsley in the event of one of those late frosts.

USDA Zone Info for Imperial

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Imperial

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