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.

It's possible to figure out when it's possible to plant scaevola by using the USDA zone info for San Marcos.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant scaevola until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant scaevola in San Marcos 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 scaevola and expect a good harvest is probably September. Any later than that and your scaevola may not have a chance to really do well. Starting your scaevola indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Marcos and it changes from year to year. Since half of the time in San Marcos there is a last frost after January 31 be ready to cover your scaevola in the event of a surprise late frost.

USDA Zone Info for San Marcos

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 Marcos

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