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.

The USDA zone info for Compton should be reffered to in order to figure out when it's possible to plant salpiglossis.

Planting Calendar for Salpiglossis

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

You can not plant salpiglossis until after the last frost because they require warm weather.

The earliest that you can plant salpiglossis in Compton 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 salpiglossis and expect a good harvest is probably September. If you wait any later than that and your salpiglossis may not have a chance to really do well. Starting your salpiglossis 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 Compton. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for Compton is not always accurate the actual date of last frost changes from year to year. Half of the time in Compton you get a frost after January 31 so be sure to be ready to cover your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Compton

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 Compton

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