One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant astilbe is to examine the USDA zone info for Oneonta.

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 are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant astilbe in Oneonta 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. If you wait any later than that and your astilbe may not have a chance to grow to maturity. Starting your astilbe indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Oneonta. In the coldest months of winter you should expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Oneonta may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Oneonta you get a frost after April 15 so always be ready to protect your astilbe if you have one of those late frosts.

USDA Zone Info for Oneonta

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 Oneonta

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