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

You should be able to estimate when it's a good idea to plant anise by reviewing the USDA zone info for Naperville.

Planting Calendar for Anise

Frost tolerance for anise:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Anise tend to make it in mild cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant anise in Naperville 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 anise and expect a good harvest is probably August. Any later than that and your anise may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your anise indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Naperville may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Naperville last frost occurs after April 15 be ready to cover your anise in the event of a late frost.

USDA Zone Info for Naperville

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 Naperville

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