One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when you can plant garlic is to use the USDA zone info for Larkspur.

Planting Calendar for Garlic

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

Since garlic are one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant garlic in Larkspur 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 garlic and expect a good harvest is probably October. If you wait any later than that and your garlic may not have a chance to really do well. You can get started a little bit earlier by starting your garlic indoors.

Last Frost Date

The average date of last frost is February 15 in Larkspur. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Larkspur is just an average the actual date of last frost is different every year. Half of the time in Larkspur there is a last frost after February 15 so always be ready to cover your garlic in the event of one of those late frosts.

USDA Zone Info for Larkspur

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 Larkspur

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