One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's the best time to plant tagetes is to refer to the USDA zone info for Carroll.

Planting Calendar for Tagetes

Frost tolerance for tagetes:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant tagetes until after the last frost because they require warm weather.

The earliest that you can plant tagetes in Carroll is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tagetes and expect a good harvest is probably August. Any later than that and your tagetes may not have a chance to fully mature. Starting your tagetes indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Carroll the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Carroll may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Carroll you get a frost after April 15 be ready to protect your tagetes in the event of a surprise late frost.

USDA Zone Info for Carroll

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Carroll

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