One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's possible to plant lavender is to use the USDA zone info for Tinley Park.

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 a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lavender in Tinley 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. You probably don't want to wait any later than that or else your lavender may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your lavender indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Tinley Park. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Tinley Park is an average the actual date of last frost is different every year. Half of the time in Tinley Park there is a last frost after April 15 so always be ready to protect your lavender if you have one of those late frosts.

USDA Zone Info for Tinley Park

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Tinley Park

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