When to Plant Decorative Kale in Altoona, IA

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant decorative kale in Altoona can be figured out by looking at the USDA zone info.


Planting Calendar for Decorative Kale

Frost tolerance for decorative kale: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since decorative kale do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant decorative kale
Possibly ok, but a risky time to plant decorative kale
Probably not a good time to plant decorative kale

The earliest that you can plant decorative kale in Altoona 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 decorative kale and expect a good harvest is probably September. Any later than that and your decorative kale may not have a chance to grow to maturity. Starting your decorative kale indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Altoona. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Altoona may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Altoona you get surprised by a frost after April 15 so be sure to be ready to cover your decorative kale in the event of a late frost.

USDA Zone Info for Altoona

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 Altoona

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