When to Plant Alternaria in Barrington, IL

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.

You will be able to determine when it's a good idea to plant alternaria by referring to the USDA zone info for Barrington.

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Planting Calendar for Alternaria

Frost tolerance for alternaria: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Alternaria are not cold tolerant which tells us that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

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

The last month that you can plant alternaria and expect a good harvest is probably August. Any later than that and your alternaria may not have a chance to grow to maturity. Starting your alternaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Barrington is not always accurate the actual date of last frost changes from year to year. Half of the time in Barrington it frosts late in the year after April 15 so just be sure to be ready to protect your alternaria in the event of a late frost.

USDA Zone Info for Barrington

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 Barrington

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