The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 Burnet can be reffered to in order to determine when to plant dahlia.

Planting Calendar for Dahlia

Frost tolerance for dahlia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since dahlia do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dahlia in Burnet 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 dahlia and expect a good harvest is probably August. If you wait any later than that and your dahlia may not have a chance to really do well. If you are starting your dahlia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Burnet. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Burnet is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Burnet you get surprised by a frost after March 15 so make sure that you are ready to cover your dahlia if you have a surprise late frost.

USDA Zone Info for Burnet

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 Burnet

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