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.

The best time to plant dahlia in Palacios should be figured out by reviewing the USDA zone info.

Planting Calendar for Dahlia

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

You should not plant dahlia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant dahlia in Palacios 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 dahlia and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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 few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Palacios. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Palacios is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Palacios you get surprised by a frost after February 15 so always be ready to protect your dahlia if you have a surprise late frost.

USDA Zone Info for Palacios

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Palacios

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