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

The USDA zone info for Greencastle can be reffered to in order to determine when it's possible to plant tagetes.

Planting Calendar for Tagetes

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

Tagetes require warm weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant tagetes in Greencastle 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. You can get started a few weeks earlier by starting your tagetes indoors.

Last Frost Date

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

Remember that USDA zone info for Greencastle is an average and the actual date of last frost is different every year. Half of the time in Greencastle you get surprised by a frost after April 15 so make sure that you are prepared to cover your tagetes in the event of one of those late frosts.

USDA Zone Info for Greencastle

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 Greencastle

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