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.

A way of getting a good idea when it's a good idea to plant sanvitalia is to use the USDA zone info for San Juan.

Planting Calendar for Sanvitalia

Frost tolerance for sanvitalia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sanvitalia do ok in very little cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is February 15 in San Juan. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for San Juan is not always accurate and the actual date of last frost changes from year to year. Half of the time in San Juan there is a last frost after February 15 so just be sure to be ready to cover your sanvitalia in the event of a late frost.

USDA Zone Info for San Juan

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Juan

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