One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's a good idea to plant heliotrope by looking at the USDA zone info for Manhattan Beach.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Heliotrope are not cold tolerant which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant heliotrope in Manhattan Beach 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 heliotrope and expect a good harvest is probably September. You probably don't want to wait any later than that or else your heliotrope may not have a chance to really do well. Starting your heliotrope 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 Manhattan Beach. In the coldest months of winter you should expect an average low temperature of 35°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Manhattan Beach and it changes from year to year. Half of the time in Manhattan Beach last frost occurs after January 31 so make sure that you are prepared to cover your heliotrope in the event of a surprise late frost.

USDA Zone Info for Manhattan 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 Manhattan Beach

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