When to Plant Garlic in Island Lake, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's the best time to plant garlic is to refer to the USDA zone info for Island Lake.


Planting Calendar for Garlic

Frost tolerance for garlic: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since garlic are very cold tolerant you can plant them much earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant garlic in Island Lake is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garlic and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garlic may not have a chance to fully mature. You can get started a little bit earlier by starting your garlic indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Island Lake. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Island Lake and it is different every year. Half of the time in Island Lake it frosts late in the year after April 15 so just be sure to be ready to protect your garlic if you have one of those late frosts.

USDA Zone Info for Island 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 Island Lake

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