One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

A common way of estimating when to plant four-o-clock flower is to refer to the USDA zone info for Huntington Beach.

Planting Calendar for Four-o-clock flower

Frost tolerance for four-o-clock flower:	Not tolerant of frost.
When to plant:	After the last frost.

Four-o-clock flower do not do well in cold weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Huntington 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 four-o-clock flower and expect a good harvest is probably September. If you wait any later than that and your four-o-clock flower may not have a chance to fully mature. Starting your four-o-clock flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Huntington Beach. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Huntington Beach is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Huntington Beach you get a frost after January 31 so make sure that you are ready to protect your four-o-clock flower in the event of one of those late frosts.

USDA Zone Info for Huntington 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 Huntington Beach

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