Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Baldwin Park you can determine when it's the best time to plant alternaria by looking at the USDA zone info.

Planting Calendar for Alternaria

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

Since alternaria require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant alternaria in Baldwin Park 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 alternaria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your alternaria may not have a chance to fully mature. Starting your alternaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Baldwin Park. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Baldwin Park and it is different every year. Since half of the time in Baldwin Park last frost occurs after January 31 be ready to cover your alternaria in the event of a surprise late frost.

USDA Zone Info for Baldwin Park

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Baldwin Park

You may be interested in your other planting guides for Baldwin Park.