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.

The first chance to plant streptocarpella in Mount Vernon should be determined by checking out the USDA zone info.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant streptocarpella until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant streptocarpella in Mount Vernon 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 fully mature. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Mount Vernon is an average and the actual date of last frost is different every year. Half of the time in Mount Vernon it frosts late in the year after April 15 so be sure to be ready to protect your streptocarpella if you have a late frost.

USDA Zone Info for Mount Vernon

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 Mount Vernon

You may be interested in your other planting guides for Mount Vernon.