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

You can estimate when it's a good idea to plant flowering kale in Altus by checking out the USDA zone info.

Planting Calendar for Flowering Kale

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

You can plant flowering kale just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant flowering kale in Altus 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 flowering kale and expect a good harvest is probably September. Any later than that and your flowering kale may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your flowering kale indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Altus. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Altus is not always accurate the actual date of last frost is different every year. Since half of the time in Altus you get surprised by a frost after April 15 be ready to protect your flowering kale in the event of a late frost.

USDA Zone Info for Altus

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Altus

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