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

The USDA zone info for Pacifica should be used to figure out when it's a good idea to plant bells of ireland.

Planting Calendar for Bells of Ireland

Frost tolerance for bells of ireland:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Bells of Ireland do ok in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bells of ireland in Pacifica 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 bells of ireland and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bells of ireland may not have a chance to fully mature. You can get started a little bit earlier by starting your bells of ireland indoors.

Last Frost Date

The average date of last frost is January 31 in Pacifica. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Pacifica is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Pacifica you get a frost after January 31 be ready to cover your bells of ireland in the event of one of those late frosts.

USDA Zone Info for Pacifica

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Pacifica

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