Before planting it is a good idea to find your USDA Zone info to estimate 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.

You will be able to determine when you can plant gypsophila by looking at the USDA zone info for Delta.

Planting Calendar for Gypsophila

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

Since gypsophila do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant gypsophila in Delta 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 fully mature. Starting your gypsophila indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Delta the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Delta may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Delta it frosts late in the year after April 15 so always be ready to protect your gypsophila if you have a late frost.

USDA Zone Info for Delta

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 Delta

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