One of the first steps you take when you are figuring out 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 will be able to estimate when it's the best time to plant browallia by looking at the USDA zone info for Graham.

Planting Calendar for Browallia

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

Since browallia do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant browallia in Graham 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 browallia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your browallia may not have a chance to really do well. Starting your browallia indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Graham the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Graham is an average the actual date of last frost will vary from year to year. Half of the time in Graham there is a last frost after April 15 so make sure that you are ready to cover your browallia in the event of one of those late frosts.

USDA Zone Info for Graham

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Graham

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