One of the first steps you take when you are figuring out your gardening schedule is find your 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.

You should be able to estimate when it's a good idea to plant stoneseed by using the USDA zone info for Schuylkill Haven.

Planting Calendar for Stoneseed

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

It's probably not a good idea to plant stoneseed until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant stoneseed in Schuylkill Haven 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. If you wait any later than that and your stoneseed may not have a chance to really do well. Starting your stoneseed indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Schuylkill Haven is not always accurate the actual date of last frost will vary from year to year. Half of the time in Schuylkill Haven it frosts late in the year after April 15 so be sure to be ready to cover your stoneseed in the event of a late frost.

USDA Zone Info for Schuylkill Haven

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 Schuylkill Haven

You may be interested in your other planting guides for Schuylkill Haven.