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When to Plant Polka Dot Plant in San Francisco, CA

One of the best tools that you have as gardeners to help us estimate your 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 your area.

The first opportunity to plant polka dot plant in San Francisco should be determined by reviewing the USDA zone info.

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Planting Calendar for Polka Dot Plant

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

Polka Dot Plant do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant polka dot plant in San Francisco 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 polka dot plant and expect a good harvest is probably September. Any later than that and your polka dot plant may not have a chance to grow to maturity. You can get started a little bit earlier by starting your polka dot plant indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in San Francisco. You can expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for San Francisco is just an average and the actual date of last frost is different every year. Half of the time in San Francisco you get a frost after January 31 so just be sure to be ready to cover your polka dot plant if you have a late frost.

USDA Zone Info for San Francisco

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 San Francisco

You may be interested in your other planting guides for San Francisco.