Before planting it is a good idea to find your USDA Zone info to determine 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 possible to plant datura in Atwater by checking out 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.

You can plant datura slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant datura in Atwater 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. You probably don't want to wait any later than that or else your datura may not have a chance to fully mature. If you are starting your datura indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Atwater the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Atwater and it is different every year. Half of the time in Atwater it frosts late in the year after February 15 so be sure to be ready to protect your datura in the event of a late frost.

USDA Zone Info for Atwater

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 Atwater

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