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.

In Zone 4a you can determine when it's a good idea to plant anemone by reviewing the USDA zone info.

Planting Calendar for Anemone

Frost tolerance for anemone:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Anemone are moderately cold tolerant which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant anemone in Zone 4a 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 anemone and expect a good harvest is probably August. You probably don't want to wait any later than that or else your anemone may not have a chance to grow to maturity. You can get started a little bit earlier by starting your anemone indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 4a. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Zone 4a may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Zone 4a you get a frost after May 15 be ready to protect your anemone if you have a surprise late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°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 -25°F.

Plants to Grow in Zone 4a

You may be interested in your other planting guides for Zone 4a.