When to Plant Tagetes in Red Oak, IA

The USDA Zone info is a great tool for gardeners to help us determine 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.

A common way of getting a good idea when you can plant tagetes is to look at the USDA zone info for Red Oak.


Planting Calendar for Tagetes

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

It's a bad idea to plant tagetes until after the last frost when the weather gets warmer because they require warm 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 Red Oak 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. If you wait any later than that and your tagetes may not have a chance to grow to maturity. You can get started a little bit earlier by starting your tagetes indoors.

Last Frost Date

The average date of last frost is April 15 in Red Oak. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Red Oak is an average and the actual date of last frost changes from year to year. Since half of the time in Red Oak it frosts late in the year after April 15 be ready to cover your tagetes in the event of one of those late frosts.

USDA Zone Info for Red Oak

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 Red Oak

You may be interested in your other planting guides for Red Oak.