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.

You will be able to estimate when it's possible to plant marigold by checking out the USDA zone info for Los Alamitos.

Planting Calendar for Marigold

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

Since marigold require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant marigold in Los Alamitos 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 marigold and expect a good harvest is probably September. If you wait any later than that and your marigold may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your marigold indoors.

Last Frost Date

The average date of last frost is January 31 in Los Alamitos. It might get as low as 35°F during the coldest months of winter.

Remember that USDA zone info for Los Alamitos may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Los Alamitos you get surprised by a frost after January 31 so always be ready to protect your marigold if you have a late frost.

USDA Zone Info for Los Alamitos

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 Los Alamitos

You may be interested in your other planting guides for Los Alamitos.