The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Sterling should be looked at to figure out when 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 bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant baby blue eyes in Sterling 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

The average date of last frost is April 15 in Sterling. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Sterling is not always accurate the actual date of last frost is different every year. Half of the time in Sterling last frost occurs after April 15 so just be sure to be ready to protect your baby blue eyes if you have a late frost.

USDA Zone Info for Sterling

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 Sterling

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