When to Plant Datura in Zone 10a

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zone 10a you can figure out when it's the best time to plant datura by using the USDA zone info.

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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 just a tiny bit earlier in the year because they do ok in moderate 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 10a 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. Starting your datura indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 10a the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Zone 10a is an average the actual date of last frost will vary from year to year. Half of the time in Zone 10a last frost occurs after January 31 so make sure that you are prepared to cover your datura in the event of a late frost.

USDA Zone Info for Zone 10a

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Zone 10a

You may be interested in your other planting guides for Zone 10a.