One of the first steps you take when you are getting a good idea 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 Modesto you can figure out when it's a good idea to plant heuchera 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 do well in moderate cold which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant heuchera in Modesto 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. Any later than that and your heuchera may not have a chance to fully mature. You can get started a few weeks earlier by starting your heuchera indoors.

Last Frost Date

In Modesto the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Modesto is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Modesto you get a frost after February 15 so make sure that you are prepared to protect your heuchera in the event of a late frost.

USDA Zone Info for Modesto

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 Modesto

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