When to Plant Dallas Fern in Olney, IL

One of the best tools that you have as gardeners to help us determine 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.

The USDA zone info for Olney should be read to determine when it's a good idea to plant dallas fern.

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Planting Calendar for Dallas Fern

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

Dallas Fern do not do well in cold weather which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant dallas fern in Olney 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 dallas fern and expect a good harvest is probably August. Any later than that and your dallas fern may not have a chance to really do well. You can get started a little bit earlier by starting your dallas fern indoors.

Last Frost Date

The average date of last frost is April 15 in Olney. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Olney is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Olney last frost occurs after April 15 be ready to protect your dallas fern in the event of a late frost.

USDA Zone Info for Olney

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Olney

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