When to Plant Achimenes in Hudson, WI

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant achimenes in Hudson should be figured out by referring to the USDA zone info.

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Planting Calendar for Achimenes

Frost tolerance for achimenes: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's probably a bad idea to plant achimenes until after the last frost when the weather gets warmer because they are not cold tolerant.

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

The earliest that you can plant achimenes in Hudson is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant achimenes and expect a good harvest is probably August. Any later than that and your achimenes may not have a chance to fully mature. If you are starting your achimenes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Hudson. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Hudson is not always accurate the actual date of last frost changes from year to year. Since half of the time in Hudson it frosts late in the year after May 15 be ready to cover your achimenes in the event of a late frost.

USDA Zone Info for Hudson

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 Hudson

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