Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant datura in West Salem should be determined 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 tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant datura in West Salem 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 couple of weeks earlier by starting your datura indoors.

Last Frost Date

On average the last frost is on May 15 in West Salem. In the coldest months of winter you should expect an average low temperature of -25°F.

Remember that USDA zone info for West Salem is just an average and the actual date of last frost is different every year. Half of the time in West Salem there is a last frost after May 15 so be sure to be ready to protect your datura if you have a late frost.

USDA Zone Info for West Salem

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 West Salem

You may be interested in your other planting guides for West Salem.