The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant heuchera in Roseville should be estimated by looking at the USDA zone info.

Planting Calendar for Heuchera

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

Heuchera tend to make it 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 heuchera in Roseville 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 heuchera and expect a good harvest is probably October. If you wait any later than that and your heuchera may not have a chance to grow to maturity. You can get started a little bit earlier by starting your heuchera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Roseville. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Roseville and it can change quite a bit from year to year. Half of the time in Roseville you get a frost after February 15 so just be sure to be ready to protect your heuchera in the event of one of those late frosts.

USDA Zone Info for Roseville

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 Roseville

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