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.

In Marion you can estimate when it's a good idea to plant streptocarpella by referring to the USDA zone info.

Planting Calendar for Streptocarpella

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

You should not plant streptocarpella until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant streptocarpella 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 streptocarpella and expect a good harvest is probably August. Any later than that and your streptocarpella may not have a chance to grow to maturity. Starting your streptocarpella indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Marion. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Marion is just an average and the actual date of last frost changes from year to year. Half of the time in Marion you get a frost after April 15 so always be ready to cover your streptocarpella in the event of a surprise late frost.

USDA Zone Info for Marion

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 Marion

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