One of the first steps you take when you are determining your gardening schedule is find your 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.

A common way of getting a good idea when to plant dahlia is to check out the USDA zone info for Cuero.

Planting Calendar for Dahlia

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

Since dahlia are not cold tolerant you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Cuero 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. Any later than that and your dahlia may not have a chance to fully mature. You can get started a little bit earlier by starting your dahlia indoors.

Last Frost Date

The average date of last frost is February 15 in Cuero. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Cuero is not always accurate the actual date of last frost changes from year to year. Half of the time in Cuero you get a frost after February 15 so make sure that you are prepared to cover your dahlia if you have one of those late frosts.

USDA Zone Info for Cuero

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 Cuero

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