When to Plant Oxalis in Zone 11b

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

The earliest that you can plant oxalis in Zone 11b can be determined by reviewing the USDA zone info.

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Planting Calendar for Oxalis

Frost tolerance for oxalis: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Oxalis are not cold tolerant which means that you must wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant oxalis 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 oxalis and expect a good harvest is probably November. If you wait any later than that and your oxalis may not have a chance to grow to maturity. If you are starting your oxalis indoors then you might be able to get away with starting them a few weeks 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 is just an average 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 oxalis in the event of a surprise late frost.

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.