One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's a good idea to plant bittercress is to refer to the USDA zone info for Los Alamitos.

Planting Calendar for Bittercress

Frost tolerance for bittercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since bittercress are one of those plants that can tolerate a tiny bit of cold weather you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bittercress 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 bittercress and expect a good harvest is probably September. If you wait any later than that and your bittercress may not have a chance to really do well. Starting your bittercress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on 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 is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Los Alamitos it frosts late in the year after January 31 so make sure that you are ready to protect your bittercress in the event of a surprise 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.