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.

By using the USDA zone info for Cedar Hill you should be able to figure out when it's a good idea to plant asters.

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 means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant asters in Cedar Hill 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. Any later than that and your asters may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your asters indoors.

Last Frost Date

The average date of last frost is March 15 in Cedar Hill. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Cedar Hill and it changes from year to year. Half of the time in Cedar Hill there is a last frost after March 15 so make sure that you are ready to protect your asters if you have a surprise late frost.

USDA Zone Info for Cedar Hill

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 Cedar Hill

You may be interested in your other planting guides for Cedar Hill.