The USDA Zone info is a great tool for gardeners to help us figure out 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.

One way of figuring out when it's the best time to plant gypsophila is to look at the USDA zone info for Hagerstown.

Planting Calendar for Gypsophila

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

Gypsophila can survive in mild 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 Hagerstown 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. If you wait any later than that and your gypsophila may not have a chance to really do well. You can get started a few weeks earlier by starting your gypsophila indoors.

Last Frost Date

The average date of last frost is April 15 in Hagerstown. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Hagerstown is just an average the actual date of last frost changes from year to year. Since half of the time in Hagerstown you get a frost after April 15 be ready to protect your gypsophila in the event of a late frost.

USDA Zone Info for Hagerstown

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 Hagerstown

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