One of the first steps you take when you are estimating your gardening schedule is find your 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.

In Milpitas you can figure out when to plant browallia by checking out the USDA zone info.

Planting Calendar for Browallia

Frost tolerance for browallia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Browallia require warm weather which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant browallia in Milpitas 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 browallia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your browallia may not have a chance to really do well. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Milpitas. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Milpitas is not always accurate and the actual date of last frost is different every year. Half of the time in Milpitas you get a frost after February 15 so be sure to be ready to protect your browallia if you have a late frost.

USDA Zone Info for Milpitas

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 Milpitas

You may be interested in your other planting guides for Milpitas.