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.

You will be able to figure out when you can plant larkspur by checking out the USDA zone info for Fountain Valley.

Planting Calendar for Larkspur

Frost tolerance for larkspur:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant larkspur a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant larkspur in Fountain Valley 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 larkspur and expect a good harvest is probably October. If you wait any later than that and your larkspur may not have a chance to really do well. You can get started a couple of weeks earlier by starting your larkspur indoors.

Last Frost Date

The average date of last frost is January 31 in Fountain Valley. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Fountain Valley may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Fountain Valley you get surprised by a frost after January 31 be ready to cover your larkspur in the event of a late frost.

USDA Zone Info for Fountain Valley

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Fountain Valley

You may be interested in your other planting guides for Fountain Valley.