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

It's a good idea to figure out when to plant asters by looking at the USDA zone info for Ashland.

Planting Calendar for Asters

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

Since asters are moderately cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant asters in Ashland 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. You probably don't want to wait any later than that or else your asters may not have a chance to really do well. You can get started a few weeks earlier by starting your asters indoors.

Last Frost Date

The average date of last frost is April 15 in Ashland. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Ashland is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ashland last frost occurs after April 15 be ready to protect your asters if you have one of those late frosts.

USDA Zone Info for Ashland

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Ashland

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