The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Ephraim should be reffered to in order to determine 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 mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant datura in Ephraim 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 really do well. You can get started a few weeks earlier by starting your datura indoors.

Last Frost Date

The average date of last frost is April 15 in Ephraim. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Ephraim may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ephraim you get a frost after April 15 be ready to protect your datura if you have a late frost.

USDA Zone Info for Ephraim

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ephraim

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