When to Plant Dill in Granite City, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Granite City you can determine when you can plant dill by looking at the USDA zone info.


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.

You can plant dill a bit earlier in the year because they are barely cold tolerant.

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 Granite City 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. Any later than that and your dill may not have a chance to fully mature. Starting your dill indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Granite City. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Granite City and it will vary from year to year. Half of the time in Granite City you get a frost after April 15 so just be sure to be ready to cover your dill in the event of a surprise late frost.

USDA Zone Info for Granite City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Granite City

You may be interested in your other planting guides for Granite City.