Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant alternaria in Fillmore by reviewing 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 do not do well in cold weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant alternaria in Fillmore is March. However, you really should wait until April 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. If you wait any later than that and your alternaria may not have a chance to really do well. You can get started a few weeks earlier by starting your alternaria indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Fillmore. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Fillmore 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 Fillmore you get surprised by a frost after February 15 so just be sure to be ready to protect your alternaria if you have a surprise late frost.

USDA Zone Info for Fillmore

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Fillmore

You may be interested in your other planting guides for Fillmore.