When to Plant Anemone in Zone 4b

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Zone 4b should be reffered to in order to figure out when it's a good idea to plant anemone.

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Planting Calendar for Anemone

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

Since anemone are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant anemone
Possibly ok, but a risky time to plant anemone
Probably not a good time to plant anemone

The earliest that you can plant anemone in Zone 4b 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. Any later than that and your anemone may not have a chance to grow to maturity. If you are starting your anemone indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 4b. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 4b is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Zone 4b you get a frost after May 15 be ready to cover your anemone in the event of a late frost.

USDA Zone Info for Zone 4b

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Zone 4b

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