Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when it's a good idea to plant diascia is to use the USDA zone info for Grambling.

Planting Calendar for Diascia

Frost tolerance for diascia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Diascia can survive in moderate cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant diascia in Grambling is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant diascia and expect a good harvest is probably September. Any later than that and your diascia may not have a chance to grow to maturity. If you are starting your diascia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Grambling. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Grambling is just an average the actual date of last frost changes from year to year. Since half of the time in Grambling it frosts late in the year after March 15 be ready to protect your diascia if you have a late frost.

USDA Zone Info for Grambling

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 Grambling

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