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 estimate when to plant lavender in San Juan by checking out the USDA zone info.

Planting Calendar for Lavender

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

Lavender can survive in some cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant lavender in San Juan 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. If you wait any later than that and your lavender may not have a chance to really do well. Starting your lavender indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in San Juan. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Juan and it will vary from year to year. Since half of the time in San Juan you get surprised by a frost after February 15 be ready to protect your lavender in the event of one of those late frosts.

USDA Zone Info for San Juan

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 San Juan

You may be interested in your other planting guides for San Juan.