When to Plant Baby Blue Eyes in Knoxville, IA

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 Knoxville should be read to estimate when you can 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.

Since baby blue eyes do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

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 Knoxville 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 grow to maturity. If you are starting your baby blue eyes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Knoxville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Knoxville may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Knoxville it frosts late in the year after April 15 so make sure that you are ready to cover your baby blue eyes if you have one of those late frosts.

USDA Zone Info for Knoxville

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 Knoxville

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