One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

The first chance to plant stocks in Tustin should be determined by looking at the USDA zone info.

Planting Calendar for Stocks

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

You can plant stocks just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant stocks in Tustin 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 stocks and expect a good harvest is probably September. Any later than that and your stocks may not have a chance to really do well. You can get started a couple of weeks earlier by starting your stocks indoors.

Last Frost Date

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

Since the USDA zone info for Tustin may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Tustin it frosts late in the year after January 31 so make sure that you are ready to protect your stocks in the event of a surprise late frost.

USDA Zone Info for Tustin

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 Tustin

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