Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for San Carlos you should be able to figure out when it's a good idea to plant snapdragons.

Planting Calendar for Snapdragons

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

Snapdragons do well in moderate cold which means that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant snapdragons in San Carlos 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. Any later than that and your snapdragons may not have a chance to fully mature. You can get started a little bit earlier by starting your snapdragons indoors.

Last Frost Date

In San Carlos the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for San Carlos may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in San Carlos you get a frost after January 31 be ready to protect your snapdragons if you have a surprise late frost.

USDA Zone Info for San Carlos

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 Carlos

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