One of the first steps you take when you are estimating 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.

You can figure out when it's the best time to plant dahlias in Nacogdoches by referring to the USDA zone info.

Planting Calendar for Dahlias

Frost tolerance for dahlias:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

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

The earliest that you can plant dahlias in Nacogdoches 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 dahlias and expect a good harvest is probably August. If you wait any later than that and your dahlias may not have a chance to grow to maturity. You can get started a little bit earlier by starting your dahlias indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Nacogdoches. It might get as low as 15°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Nacogdoches and it can change quite a bit from year to year. Half of the time in Nacogdoches there is a last frost after March 15 so make sure that you are ready to protect your dahlias if you have one of those late frosts.

USDA Zone Info for Nacogdoches

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Nacogdoches

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