One of the best tools that you have as gardeners to help us figure out 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 Ambler should be reviewed to determine when it's possible to plant streptocarpella.

Planting Calendar for Streptocarpella

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

Since streptocarpella are not cold tolerant 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 Ambler 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 Ambler. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Ambler may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Ambler you get surprised by a frost after April 15 be ready to protect your streptocarpella in the event of one of those late frosts.

USDA Zone Info for Ambler

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 Ambler

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