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.

In Tustin you can figure out when it's the best time to plant snapdragons by using the USDA zone info.

Planting Calendar for Snapdragons

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

You can plant snapdragons a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant snapdragons in Tustin 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 snapdragons and expect a good harvest is probably October. You probably don't want to wait any later than that or else your snapdragons may not have a chance to grow to maturity. You can get started a little bit earlier by starting your snapdragons indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Tustin. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Tustin is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Tustin you get surprised by a frost after January 31 so make sure that you are prepared to cover your snapdragons 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.