When to Plant Tagetes in Geneseo, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant tagetes in Geneseo can be determined by looking at the USDA zone info.


Planting Calendar for Tagetes

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

You really shouldn't plant tagetes until after the last 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 Geneseo 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 grow to maturity. If you are starting your tagetes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Geneseo. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Geneseo and it is different every year. Since half of the time in Geneseo it frosts late in the year after April 15 be ready to protect your tagetes in the event of a late frost.

USDA Zone Info for Geneseo

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 Geneseo

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