One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Durham it's possible to estimate when it's possible 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 a little bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant gypsophila in Durham 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. You probably don't want to wait any later than that or else your gypsophila may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your gypsophila indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Durham is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Durham you get surprised by a frost after April 15 be ready to cover your gypsophila in the event of a late frost.

USDA Zone Info for Durham

Here is the info for USDA Zone 7b.

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

Plants to Grow in Durham

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