When to Plant Dill in Olney, IL

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 dill in Olney can be determined by referring to the USDA zone info.

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Planting Calendar for Dill

Frost tolerance for dill: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Dill do well in mild cold which means that you can plant them slightly earlier in the year than more sensitive plants.

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

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

The last month that you can plant dill and expect a good harvest is probably August. If you wait any later than that and your dill may not have a chance to really do well. Starting your dill indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Olney. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Olney is an average and the actual date of last frost is different every year. Half of the time in Olney it frosts late in the year after April 15 so make sure that you are prepared to cover your dill if you have a surprise 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.