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.

In Seal Beach you can estimate when to plant penstemon by referring to the USDA zone info.

Planting Calendar for Penstemon

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

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

The earliest that you can plant penstemon in Seal Beach 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 penstemon and expect a good harvest is probably October. Any later than that and your penstemon may not have a chance to fully mature. You can get started a little bit earlier by starting your penstemon indoors.

Last Frost Date

The average date of last frost is January 31 in Seal Beach. It might get as low as 35°F during the coldest months of winter.

Keep in mind that USDA zone info for Seal Beach is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Seal Beach last frost occurs after January 31 be ready to protect your penstemon if you have a late frost.

USDA Zone Info for Seal Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Seal Beach

You may be interested in your other planting guides for Seal Beach.