The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 Arlington should be reviewed to estimate when it's possible to plant flowering kale.

Planting Calendar for Flowering Kale

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

Since flowering kale do well in moderate cold you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant flowering kale in Arlington 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. You probably don't want to wait any later than that or else your flowering kale may not have a chance to fully mature. You can get started a little bit earlier by starting your flowering kale indoors.

Last Frost Date

In Arlington the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Arlington is just an average the actual date of last frost changes from year to year. Half of the time in Arlington last frost occurs after March 15 so be sure to be ready to protect your flowering kale if you have a late frost.

USDA Zone Info for Arlington

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Arlington

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