Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Milpitas should be read to determine when it's a good idea to plant violets.

Planting Calendar for Violets

Frost tolerance for violets:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Violets can survive in a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant violets in Milpitas 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 violets and expect a good harvest is probably October. Any later than that and your violets may not have a chance to fully mature. If you are starting your violets indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of 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.

Since the USDA zone info for Milpitas may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Milpitas last frost occurs after February 15 so just be sure to be ready to protect your violets if you have a surprise 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.