One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Marianna should be reffered to in order to figure out when it's the best time to plant schizanthus.

Planting Calendar for Schizanthus

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

Schizanthus are not cold tolerant which tells us that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant schizanthus in Marianna 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 schizanthus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your schizanthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your schizanthus indoors.

Last Frost Date

The average date of last frost is March 15 in Marianna. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Marianna may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Marianna you get a frost after March 15 be ready to cover your schizanthus in the event of a surprise late frost.

USDA Zone Info for Marianna

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 Marianna

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