When to Plant Lavender in Dekalb, IL

One of the best tools that you have as gardeners to help us figure out 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.

By checking out the USDA zone info for Dekalb it's possible to determine when 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.

You can plant lavender just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lavender
Possibly ok, but a risky time to plant lavender
Probably not a good time to plant lavender

The earliest that you can plant lavender in Dekalb 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. If you wait any later than that and your lavender may not have a chance to fully mature. You can get started a little bit earlier by starting your lavender indoors.

Last Frost Date

In Dekalb the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Dekalb is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Dekalb it frosts late in the year after April 15 so make sure that you are prepared to protect your lavender if you have a late frost.

USDA Zone Info for Dekalb

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 Dekalb

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