The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Inver Grove Heights it's possible to determine when you can 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.

Since datura are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant datura in Inver Grove Heights is April. However, you really should wait until May 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. If you wait any later than that and your datura may not have a chance to really do well. You can get started a little bit earlier by starting your datura indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Inver Grove Heights. In the coldest months of winter you can expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Inver Grove Heights is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Inver Grove Heights last frost occurs after May 15 so be sure to be ready to protect your datura in the event of a late frost.

USDA Zone Info for Inver Grove Heights

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

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

Plants to Grow in Inver Grove Heights

You may be interested in your other planting guides for Inver Grove Heights.