When to Plant Dill in Round Lake, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 Round Lake can be reffered to in order to figure out when you can plant dill.


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 do ok in moderate cold.

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 Round Lake 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. If you are starting your dill indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Round Lake is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Round Lake it frosts late in the year after April 15 be ready to cover your dill in the event of a late frost.

USDA Zone Info for Round Lake

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 Round Lake

You may be interested in your other planting guides for Round Lake.