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

You can figure out when you can plant gypsophila in Napa by looking at the USDA zone info.

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 bit earlier in the year than more sensitive plants.

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

The last month that you can plant gypsophila and expect a good harvest is probably October. You probably don't want to wait any later than that or else your gypsophila may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gypsophila indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Napa. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Napa may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Napa you get surprised by a frost after February 15 so make sure that you are ready to protect your gypsophila if you have a late frost.

USDA Zone Info for Napa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Napa

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