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

The best time to plant leeks in Oakland should be estimated by checking out the USDA zone info.

Planting Calendar for Leeks

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

Leeks do well in cold which means that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant leeks in Oakland 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 leeks and expect a good harvest is probably October. You probably don't want to wait any later than that or else your leeks may not have a chance to really do well. Starting your leeks 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 Oakland. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for Oakland is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Oakland you get a frost after January 31 be ready to cover your leeks in the event of one of those late frosts.

USDA Zone Info for Oakland

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 Oakland

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