When to Plant Tritoma in Stone Park, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's possible to plant tritoma in Stone Park by referring to the USDA zone info.


Planting Calendar for Tritoma

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

You can plant tritoma much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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

The earliest that you can plant tritoma in Stone 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 tritoma and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tritoma may not have a chance to really do well. Starting your tritoma indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Stone Park. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Stone Park may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Stone Park it frosts late in the year after April 15 be ready to protect your tritoma if you have a late frost.

USDA Zone Info for Stone 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 Stone Park

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