When to Plant Baby Blue Eyes in Grinnell, IA

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

In Grinnell you can determine when it's a good idea to plant baby blue eyes by using 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 are moderately cold tolerant which tells us that you can plant them earlier than other plants that might not handle the 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 Grinnell 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. If you wait any later than that and your baby blue eyes may not have a chance to grow to maturity. 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

In Grinnell the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Grinnell may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Grinnell you get surprised by a frost after April 15 be ready to cover your baby blue eyes if you have a late frost.

USDA Zone Info for Grinnell

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Grinnell

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