One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when it's the best time to plant hardy asters by referring to the USDA zone info for Acworth.

Planting Calendar for Hardy Asters

Frost tolerance for hardy asters:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Hardy Asters tend to make it in some cold which means that you can plant them slightly earlier in the year than more sensitive plants.

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

The last month that you can plant hardy asters and expect a good harvest is probably August. Any later than that and your hardy asters may not have a chance to grow to maturity. Starting your hardy asters indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Acworth is an average and the actual date of last frost will vary from year to year. Since half of the time in Acworth last frost occurs after April 15 be ready to cover your hardy asters if you have one of those late frosts.

USDA Zone Info for Acworth

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Acworth

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