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.

You should be able to figure out when you can plant tritoma by referring to the USDA zone info for Hoffman Estates.

Planting Calendar for Tritoma

Frost tolerance for tritoma:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Tritoma are one of those plants that can tolerate quite a bit of cold weather which tells us that you can get them planted much earlier than plants that are more sensitive to the cold.

The earliest that you can plant tritoma in Hoffman Estates 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 tritoma and expect a good harvest is probably September. Any later than that and your tritoma may not have a chance to really do well. You can get started a few weeks earlier by starting your tritoma indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Hoffman Estates. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Hoffman Estates may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Hoffman Estates last frost occurs after April 15 be ready to cover your tritoma if you have a surprise late frost.

USDA Zone Info for Hoffman Estates

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 Hoffman Estates

You may be interested in your other planting guides for Hoffman Estates.