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.

By referring to the USDA zone info for Hanford you should be able to estimate when you can 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 mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant violets in Hanford 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. You probably don't want to wait any later than that or else your violets may not have a chance to grow to maturity. You can get started a little bit earlier by starting your violets indoors.

Last Frost Date

In Hanford the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Hanford is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Hanford it frosts late in the year after February 15 so just be sure to be ready to cover your violets if you have one of those late frosts.

USDA Zone Info for Hanford

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 Low	20°F
Highest Expected Low	25°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 Hanford

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