When to Plant Datura in Indiana, PA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Indiana it's possible to figure out 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.

Datura do ok in moderate cold which means that you can plant them slightly earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant datura
Possibly ok, but a risky time to plant datura
Probably not a good time to plant datura

The earliest that you can plant datura in Indiana 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. If you wait any later than that and your datura may not have a chance to fully mature. You can get started a little bit earlier by starting your datura indoors.

Last Frost Date

The average date of last frost is April 15 in Indiana. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Indiana may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Indiana it frosts late in the year after April 15 be ready to cover your datura in the event of a surprise late frost.

USDA Zone Info for Indiana

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 Indiana

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