One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Greencastle you will be able to determine when it's the best time 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 just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant baby blue eyes in Greencastle 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. You probably don't want to wait any later than that or else your baby blue eyes may not have a chance to really do well. You can get started a little bit 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 Greencastle. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Greencastle is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Greencastle it frosts late in the year after April 15 be ready to protect your baby blue eyes if you have one of those late frosts.

USDA Zone Info for Greencastle

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 Greencastle

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