Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Marion you can figure out when you can plant tagetes by checking out the USDA zone info.

Planting Calendar for Tagetes

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

Since tagetes require warm weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tagetes in Marion 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. You probably don't want to wait any later than that or else 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

In Marion the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Marion is an average the actual date of last frost is different every year. Since half of the time in Marion last frost occurs after March 15 be ready to cover your tagetes if you have one of those late frosts.

USDA Zone Info for Marion

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Marion

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