When to Plant Alternaria in Zone 11b

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.

The first opportunity to plant alternaria in Zone 11b should be determined by referring to the USDA zone info.

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Planting Calendar for Alternaria

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

Alternaria are not cold tolerant which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant alternaria 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 alternaria and expect a good harvest is probably November. Any later than that and your alternaria may not have a chance to fully mature. Starting your alternaria indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 11b it never frosts. In the coldest months of winter you can expect an average low temperature of 45°F.

Since the USDA zone info for Zone 11b may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 11b you do not have to be ready to cover your alternaria if you have a 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.