When to Plant Savoy cabbage in Osceola, IA

One of the best tools that you have as gardeners to help us figure out 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.

A common way of determining when it's the best time to plant savoy cabbage is to examine the USDA zone info for Osceola.


Planting Calendar for Savoy cabbage

Frost tolerance for savoy cabbage: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since savoy cabbage do well in cold you can plant them earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant savoy cabbage
Possibly ok, but a risky time to plant savoy cabbage
Probably not a good time to plant savoy cabbage

The earliest that you can plant savoy cabbage in Osceola 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 savoy cabbage and expect a good harvest is probably September. Any later than that and your savoy cabbage may not have a chance to grow to maturity. You can get started a little bit earlier by starting your savoy cabbage indoors.

Last Frost Date

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

Since the USDA zone info for Osceola is just an average the actual date of last frost will vary from year to year. Half of the time in Osceola you get surprised by a frost after April 15 so always be ready to cover your savoy cabbage if you have a surprise late frost.

USDA Zone Info for Osceola

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 Osceola

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