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

In Coalinga you can estimate when it's possible to plant datura by reviewing the USDA zone info.

Planting Calendar for Datura

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

Datura do ok in some cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant datura in Coalinga 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 datura and expect a good harvest is probably September. If you wait any later than that and your datura may not have a chance to really do well. If you are starting your datura indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Coalinga. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Coalinga may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Coalinga there is a last frost after February 15 be ready to protect your datura in the event of a 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.