One of the best tools that you have as gardeners to help us estimate 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 Hawthorne should be reffered to in order to estimate when it's the best time to plant datura.

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 moderate cold which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant datura in Hawthorne 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 datura and expect a good harvest is probably August. You probably don't want to wait any later than that or else your datura may not have a chance to fully mature. Starting your datura indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Hawthorne. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Hawthorne is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Hawthorne last frost occurs after April 15 so be sure to be ready to protect your datura in the event of a surprise late frost.

USDA Zone Info for Hawthorne

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hawthorne

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