The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when to plant stoneseed by reviewing the USDA zone info for Souderton.

Planting Calendar for Stoneseed

Frost tolerance for stoneseed:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant stoneseed until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant stoneseed in Souderton 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 stoneseed and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stoneseed may not have a chance to fully mature. You can get started a few weeks earlier by starting your stoneseed indoors.

Last Frost Date

The average date of last frost is April 15 in Souderton. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Souderton may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Souderton you get surprised by a frost after April 15 be ready to protect your stoneseed in the event of a late frost.

USDA Zone Info for Souderton

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 Souderton

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