The USDA Zone info is a great tool for gardeners to help us determine 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.

In Palatka you can determine when it's a good idea to plant datura by referring to 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 do ok in moderate cold.

The earliest that you can plant datura in Palatka is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant datura and expect a good harvest is probably September. You probably don't want to wait any later than that or else your datura may not have a chance to grow to maturity. If you are starting your datura indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Palatka the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Palatka is just an average the actual date of last frost is different every year. Half of the time in Palatka it frosts late in the year after February 15 so just be sure to be ready to cover your datura in the event of a late frost.

USDA Zone Info for Palatka

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Palatka

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