One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Imperial can be read to figure out when to plant lavender.

Planting Calendar for Lavender

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

Since lavender do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant lavender 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 lavender and expect a good harvest is probably October. You probably don't want to wait any later than that or else your lavender may not have a chance to fully mature. You can get started a few weeks earlier by starting your lavender indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Imperial is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Imperial it frosts late in the year after January 31 so just be sure to be ready to cover your lavender in the event of a late frost.

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.