When to Plant Bittercress in Zone 11b

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant bittercress is to examine the USDA zone info for Zone 11b.

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Planting Calendar for Bittercress

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

Since bittercress are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

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

The earliest that you can plant bittercress in Zone 11b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant bittercress and expect a good harvest is probably November. If you wait any later than that and your bittercress may not have a chance to really do well. Starting your bittercress indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 11b it never frosts. It might get as low as 45°F during the coldest months of winter.

Since the USDA zone info for Zone 11b may not be accurate from year to year the actual date of last frost changes from year to year. Since it never frosts in Zone 11b you do not have to be ready to cover your bittercress if you have one of those late frosts.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low45°F
Highest Expected Low50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in your other planting guides for Zone 11b.