Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Rhinelander can be used to estimate when it's possible to plant baby blue eyes.

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.

You can plant baby blue eyes a little earlier in the year because they do well in moderate cold.

The earliest that you can plant baby blue eyes in Rhinelander 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 baby blue eyes and expect a good harvest is probably August. If you wait any later than that and your baby blue eyes may not have a chance to fully mature. If you are starting your baby blue eyes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Rhinelander. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Rhinelander is just an average the actual date of last frost is different every year. Since half of the time in Rhinelander you get surprised by a frost after May 15 be ready to protect your baby blue eyes in the event of one of those late frosts.

USDA Zone Info for Rhinelander

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Rhinelander

You may be interested in your other planting guides for Rhinelander.