Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Bethel Park you can estimate when to plant lavender by looking at 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.

You can plant lavender just a bit earlier in the year because they are moderately cold tolerant.

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

The last month that you can plant lavender and expect a good harvest is probably September. Any later than that and 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 when the weather gets warmer is on April 15 in Bethel Park. In the coldest months of winter you can expect an average low temperature of -5°F.

Remember that USDA zone info for Bethel Park is just an average and the actual date of last frost is different every year. Half of the time in Bethel Park you get a frost after April 15 so be sure to be ready to cover your lavender if you have a surprise late frost.

USDA Zone Info for Bethel Park

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Bethel Park

You may be interested in your other planting guides for Bethel Park.