One of the best tools that you have as gardeners to help us determine 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.

In San Mateo you can estimate when it's a good idea to plant lovage by using the USDA zone info.

Planting Calendar for Lovage

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

Since lovage are barely cold tolerant you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant lovage in San Mateo 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 lovage and expect a good harvest is probably September. Any later than that and your lovage may not have a chance to grow to maturity. Starting your lovage indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in San Mateo. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Mateo is an average the actual date of last frost is different every year. Half of the time in San Mateo it frosts late in the year after January 31 so just be sure to be ready to cover your lovage in the event of one of those late frosts.

USDA Zone Info for San Mateo

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 San Mateo

You may be interested in your other planting guides for San Mateo.