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 Fontana can be reviewed to estimate when it's the best time to plant roses.

Planting Calendar for Roses

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

Since roses do well in moderate cold you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant roses in Fontana 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 roses and expect a good harvest is probably October. You probably don't want to wait any later than that or else your roses may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your roses indoors.

Last Frost Date

The average date of last frost is January 31 in Fontana. It might get as low as 30°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Fontana may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Fontana there is a last frost after January 31 so be sure to be ready to cover your roses in the event of a late frost.

USDA Zone Info for Fontana

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Fontana

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