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.

It's possible to estimate when it's possible to plant datura by checking out the USDA zone info for Madisonville.

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 are barely cold tolerant.

The earliest that you can plant datura in Madisonville 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 grow to maturity. You can get started a little bit earlier by starting your datura indoors.

Last Frost Date

On average the last frost is on April 15 in Madisonville. In the coldest months of winter you can expect an average low temperature of 0°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 Madisonville and it can change quite a bit from year to year. Half of the time in Madisonville you get surprised by a frost after April 15 so make sure that you are ready to protect your datura in the event of a late frost.

USDA Zone Info for Madisonville

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 Madisonville

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