When to Plant Tagetes in Monticello, MN

One of the first steps you take when you are determining 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.

The earliest that you can plant tagetes in Monticello can be figured out by using the USDA zone info.

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Planting Calendar for Tagetes

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

It's not a good idea to plant tagetes until after all chance of frost has passed because they do not do well in cold weather.

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

The earliest that you can plant tagetes in Monticello is May. However, you really should wait until June 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 really do well. Starting your tagetes indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Monticello the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Monticello is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Monticello it frosts late in the year after May 15 be ready to protect your tagetes if you have a surprise late frost.

USDA Zone Info for Monticello

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Monticello

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