The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when to plant snapdragons is to consult the USDA zone info for Pasadena.

Planting Calendar for Snapdragons

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

Since snapdragons do well in moderate cold you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant snapdragons in Pasadena 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 couple of weeks earlier by starting your snapdragons indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Pasadena. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Pasadena 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 Pasadena there is a last frost after January 31 so be sure to be ready to protect your snapdragons in the event of a late frost.

USDA Zone Info for Pasadena

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 Pasadena

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