One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's a good idea to plant dahlias is to use the USDA zone info for North Richland Hills.

Planting Calendar for Dahlias

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

Since dahlias require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlias in North Richland Hills 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

The average date of last frost is March 15 in North Richland Hills. In the coldest months of winter you can expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for North Richland Hills is not always accurate and the actual date of last frost changes from year to year. Half of the time in North Richland Hills it frosts late in the year after March 15 so just be sure to be ready to cover your dahlias in the event of a surprise late frost.

USDA Zone Info for North Richland Hills

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 North Richland Hills

You may be interested in your other planting guides for North Richland Hills.