When to Plant Polka Dot Plant in Zone 9a

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. 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 polka dot plant in Zone 9a can be estimated 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.

Since polka dot plant do not do well in cold weather it is necessary to wait until after the last frost 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 Zone 9a is March. However, you really should wait until April 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. If you wait any later than that and your polka dot plant may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your polka dot plant indoors.

Last Frost Date

The average date of last frost is February 15 in Zone 9a. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that USDA zone info for Zone 9a is an average and the actual date of last frost will vary from year to year. Half of the time in Zone 9a you get a frost after February 15 so be sure to be ready to cover your polka dot plant in the event of a surprise late frost.

USDA Zone Info for Zone 9a

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Zone 9a

You may be interested in your other planting guides for Zone 9a.