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.

The USDA zone info for Lake Stevens can be reffered to in order 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.

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

The earliest that you can plant flowering kale in Lake Stevens 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 all chance of frost has passed is on March 15 in Lake Stevens. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Lake Stevens is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lake Stevens last frost occurs after March 15 so make sure that you are ready to cover your flowering kale if you have a surprise late frost.

USDA Zone Info for Lake Stevens

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 Lake Stevens

You may be interested in your other planting guides for Lake Stevens.