One of the best tools that you have as gardeners to help us estimate 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.

One way of making a decision about when to plant astilbe is to refer to the USDA zone info for Eloy.

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.

Since astilbe do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant astilbe in Eloy 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. You probably don't want to wait any later than that or else your astilbe may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your astilbe indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Eloy. In the coldest months of winter you can expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Eloy is an average and the actual date of last frost changes from year to year. Since half of the time in Eloy you get a frost after April 15 be ready to protect your astilbe if you have a late frost.

USDA Zone Info for Eloy

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Eloy

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