One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

The first chance to plant datura in Woonsocket should be figured out by checking out 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.

You can plant datura slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant datura in Woonsocket 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. Any later than that and your datura may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your datura indoors.

Last Frost Date

The average date of last frost is April 15 in Woonsocket. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Woonsocket is not always accurate the actual date of last frost will vary from year to year. Half of the time in Woonsocket last frost occurs after April 15 so make sure that you are prepared to protect your datura in the event of one of those late frosts.

USDA Zone Info for Woonsocket

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 Woonsocket

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