One of the best tools that you have as gardeners to help us estimate 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.

In Marion you can figure out when it's the best time to plant browallia by reviewing the USDA zone info.

Planting Calendar for Browallia

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

Since browallia require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant browallia in Marion 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 fully mature. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

In Marion the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Marion may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Marion last frost occurs after April 15 be ready to cover your browallia in the event of one of those late frosts.

USDA Zone Info for Marion

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Marion

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