Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 polka dot plant in San Jose can be determined by reviewing the USDA zone info.

Planting Calendar for Polka Dot Plant

Frost tolerance for polka dot plant:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Polka Dot Plant do not do well in cold weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant polka dot plant in San Jose 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. Any later than that and your polka dot plant may not have a chance to really do well. You can get started a little bit earlier by starting your polka dot plant indoors.

Last Frost Date

On average the last frost is on February 15 in San Jose. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for San Jose may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in San Jose it frosts late in the year after February 15 so just be sure to be ready to protect your polka dot plant in the event of a late frost.

USDA Zone Info for San Jose

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Jose

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