One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's a good idea to plant asters by using the USDA zone info for Carmi.

Planting Calendar for Asters

Frost tolerance for asters:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Asters do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant asters in Carmi is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asters and expect a good harvest is probably September. If you wait any later than that and your asters may not have a chance to really do well. If you are starting your asters indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Carmi. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Carmi is just an average and the actual date of last frost will vary from year to year. Half of the time in Carmi you get surprised by a frost after April 15 so always be ready to cover your asters if you have one of those late frosts.

USDA Zone Info for Carmi

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Carmi

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