When to Plant Tritoma in Racine, WI

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant tritoma in Racine can be determined by reviewing the USDA zone info.

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Planting Calendar for Tritoma

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

Since tritoma are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

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 Racine 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. If you wait any later than that and your tritoma may not have a chance to grow to maturity. Starting your tritoma indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Racine. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Racine is not always accurate the actual date of last frost changes from year to year. Since half of the time in Racine there is a last frost after April 15 be ready to cover your tritoma if you have a surprise late frost.

USDA Zone Info for Racine

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 Racine

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