When can I plant Baby Blue Eyes in Zone 4a

One of the best tools that we have as gardeners to help us figure out our 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 our area.

You can estimate when to plant baby blue eyes in Zone 4a by referring to the USDA zone info.


Planting Calendar for Baby Blue Eyes

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

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant baby blue eyes
Possibly ok, but a risky time to plant baby blue eyes
Probably not a good time to plant baby blue eyes

The earliest that you can plant baby blue eyes in Zone 4a 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. 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. If you are starting your baby blue eyes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 4a. In the coldest months of winter we should expect an average low temperature of -30°F.

Since the USDA zone info for Zone 4a may not be accurate from year to year our actual date of last frost will vary from year to year. Half of the time in Zone 4a it frosts late in the year after May 15 so make sure that you are ready to cover your baby blue eyes in the event of a surprise late frost.

USDA Zone Info for Zone 4a

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 Zone 4a

You may be interested in our other planting guides for Zone 4a.