When to Plant Anemone in Oswego, IL

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.

By looking at the USDA zone info for Oswego you will be able to figure out when it's a good idea to plant anemone.


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 get them planted earlier than other plants that might not handle 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 Oswego is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant anemone and expect a good harvest is probably September. Any later than that and your anemone may not have a chance to really do well. 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

In Oswego the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Oswego and it changes from year to year. Half of the time in Oswego you get surprised by a frost after April 15 so make sure that you are ready to protect your anemone in the event of a surprise late frost.

USDA Zone Info for Oswego

Here is the info for USDA Zone 5b.

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

Plants to Grow in Oswego

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