When to Plant Asters in Wauconda, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Wauconda should be read to determine when it's the best time to plant asters.

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Planting Calendar for Asters

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

Asters are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

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

The earliest that you can plant asters in Wauconda 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 asters and expect a good harvest is probably September. You probably don't want to wait any later than that or else your asters may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your asters indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wauconda. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Wauconda may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Wauconda it frosts late in the year after April 15 so make sure that you are ready to protect your asters if you have a late frost.

USDA Zone Info for Wauconda

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 Wauconda

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