Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Arcata it's a good idea to determine when it's a good idea 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.

You can plant gypsophila a little earlier in the year because they do well in moderate cold.

The earliest that you can plant gypsophila in Arcata 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. 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

On average all chance of frost has passed is on February 15 in Arcata. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Arcata is an average the actual date of last frost will vary from year to year. Half of the time in Arcata last frost occurs after February 15 so make sure that you are ready to cover your gypsophila in the event of a surprise late frost.

USDA Zone Info for Arcata

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 Arcata

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