The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant heuchera in Andalusia by reviewing 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.

You can plant heuchera just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant heuchera in Andalusia is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant heuchera and expect a good harvest is probably September. If you wait any later than that and your heuchera may not have a chance to grow to maturity. Starting your heuchera indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Andalusia the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Andalusia and it can change quite a bit from year to year. Half of the time in Andalusia last frost occurs after March 15 so always be ready to cover your heuchera if you have a surprise late frost.

USDA Zone Info for Andalusia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Andalusia

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