One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant alternaria in El Monte should be figured out by using the USDA zone info.

Planting Calendar for Alternaria

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

Alternaria are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant alternaria in El Monte 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. Any later than that and 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

The average date of last frost is January 31 in El Monte. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for El Monte and it can change quite a bit from year to year. Half of the time in El Monte there is a last frost after January 31 so be sure to be ready to cover your alternaria in the event of one of those late frosts.

USDA Zone Info for El Monte

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 El Monte

You may be interested in your other planting guides for El Monte.