The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant garden orache in San Jose should be figured out by looking at the USDA zone info.

Planting Calendar for Garden Orache

Frost tolerance for garden orache:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Garden Orache are moderately cold tolerant which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant garden orache in San Jose 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 garden orache and expect a good harvest is probably October. You probably don't want to wait any later than that or else your garden orache may not have a chance to grow to maturity. If you are starting your garden orache indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for San Jose is an average the actual date of last frost will vary from year to year. Half of the time in San Jose it frosts late in the year after February 15 so just be sure to be ready to protect your garden orache in the event of a surprise late frost.

USDA Zone Info for San Jose

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 San Jose

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