One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You can determine when it's a good idea to plant heuchera in Lemon Grove 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 ok in moderate cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant heuchera in Lemon Grove 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. Starting your heuchera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Lemon Grove. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Lemon Grove is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Lemon Grove last frost occurs after January 31 be ready to cover your heuchera in the event of a surprise late frost.

USDA Zone Info for Lemon Grove

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 Lemon Grove

You may be interested in your other planting guides for Lemon Grove.