The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant streptocarpella in Hawthorne should be determined by referring to the USDA zone info.

Planting Calendar for Streptocarpella

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

Since streptocarpella do not do well in cold weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant streptocarpella in Hawthorne 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. If you wait any later than that and your streptocarpella may not have a chance to really do well. You can get started a couple of weeks earlier by starting your streptocarpella indoors.

Last Frost Date

The average date of last frost is April 15 in Hawthorne. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Hawthorne is an average the actual date of last frost will vary from year to year. Half of the time in Hawthorne you get surprised by a frost after April 15 so be sure to be ready to protect your streptocarpella in the event of one of those late frosts.

USDA Zone Info for Hawthorne

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hawthorne

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