The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Zone 12b you can estimate when it's a good idea to plant heliotrope by referring to the USDA zone info.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After the last frost.

Since heliotrope do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in Zone 12b 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 heliotrope and expect a good harvest is probably November. If you wait any later than that and your heliotrope may not have a chance to really do well. If you are starting your heliotrope indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 12b it never frosts. In the coldest months of winter you should expect an average low temperature of 55°F.

Just be sure to remember that USDA zone info for Zone 12b may not be accurate from year to year and the actual date of last frost will vary from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your heliotrope in the event of one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	55°F
Highest Expected Low	60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in your other planting guides for Zone 12b.