Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Clarks Summit you should be able to figure out when to plant gypsophila.

Planting Calendar for Gypsophila

Frost tolerance for gypsophila:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Gypsophila do ok in moderate cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant gypsophila in Clarks Summit is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant gypsophila and expect a good harvest is probably September. Any later than that and your gypsophila may not have a chance to fully mature. Starting your gypsophila indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Clarks Summit the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Clarks Summit is just an average and the actual date of last frost will vary from year to year. Since half of the time in Clarks Summit it frosts late in the year after April 15 be ready to cover your gypsophila if you have a surprise late frost.

USDA Zone Info for Clarks Summit

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Clarks Summit

You may be interested in your other planting guides for Clarks Summit.