Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Windsor you will be able to determine when it's a good idea 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 are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant lavender in Windsor 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. Any later than that and your lavender may not have a chance to grow to maturity. Starting your lavender indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Windsor the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Windsor and it can change quite a bit from year to year. Since half of the time in Windsor 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 Windsor

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 Windsor

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