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

You can determine when you can plant baby blue eyes in Winthrop Harbor by looking at the USDA zone info.

Planting Calendar for Baby Blue Eyes

Frost tolerance for baby blue eyes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Baby Blue Eyes do ok in mild cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant baby blue eyes in Winthrop Harbor 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 baby blue eyes and expect a good harvest is probably September. Any later than that and your baby blue eyes may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your baby blue eyes indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Winthrop Harbor. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Winthrop Harbor is not always accurate the actual date of last frost will vary from year to year. Half of the time in Winthrop Harbor there is a last frost after April 15 so make sure that you are ready to cover your baby blue eyes in the event of a late frost.

USDA Zone Info for Winthrop Harbor

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 Winthrop Harbor

You may be interested in your other planting guides for Winthrop Harbor.