One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Coalinga can be reffered to in order to determine when it's possible to plant iresene.

Planting Calendar for Iresene

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

Since iresene are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant iresene in Coalinga 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 iresene and expect a good harvest is probably September. If you wait any later than that and your iresene may not have a chance to fully mature. You can get started a little bit earlier by starting your iresene indoors.

Last Frost Date

The average date of last frost is February 15 in Coalinga. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Coalinga is not always accurate and the actual date of last frost changes from year to year. Half of the time in Coalinga it frosts late in the year after February 15 so just be sure to be ready to cover your iresene in the event of a surprise late frost.

USDA Zone Info for Coalinga

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Coalinga

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