The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant lavender in Gillette can be estimated by referring to 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 do well in moderate cold which means that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant lavender in Gillette is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant lavender and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lavender may not have a chance to really do well. If you are starting your lavender indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Gillette is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Gillette you get surprised by a frost after May 15 be ready to protect your lavender if you have a surprise late frost.

USDA Zone Info for Gillette

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Gillette

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