When can I plant Datura in Zone 10b

One of the best tools that we have as gardeners to help us determine our 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 our area.

You can estimate when you can plant datura in Zone 10b by referring to the USDA zone info.


Planting Calendar for Datura

Frost tolerance for datura: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Since datura do ok in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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 Zone 10b 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. If you wait any later than that and 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 little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Zone 10b. We should expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 10b is an average and our actual date of last frost will vary from year to year. Since half of the time in Zone 10b it frosts late in the year after January 31 be ready to protect your datura in the event of a surprise late frost.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in our other planting guides for Zone 10b.