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

By using the USDA zone info for Spanish Fort you will be able to determine when it's a good idea to plant astilbe.

Planting Calendar for Astilbe

Frost tolerance for astilbe:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Astilbe tend to make it in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant astilbe in Spanish Fort is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant astilbe and expect a good harvest is probably August. Any later than that and your astilbe may not have a chance to really do well. You can get started a few weeks earlier by starting your astilbe indoors.

Last Frost Date

The average date of last frost is March 15 in Spanish Fort. You should expect an average low temperature of 15°F in the coldest months of winter.

It's important to remember that USDA zone info for Spanish Fort is not always accurate and the actual date of last frost changes from year to year. Half of the time in Spanish Fort it frosts late in the year after March 15 so be sure to be ready to cover your astilbe if you have a late frost.

USDA Zone Info for Spanish Fort

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Spanish Fort

You may be interested in your other planting guides for Spanish Fort.