When to Plant Flowering Kale in Hollister, CA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant flowering kale in Hollister should be figured out by using 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.

Flowering Kale are moderately cold tolerant which means that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant flowering kale in Hollister is January. However, you really should wait until February 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 October. Any later than that and your flowering kale may not have a chance to fully mature. Starting your flowering kale indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Hollister. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Hollister is an average the actual date of last frost changes from year to year. Half of the time in Hollister it frosts late in the year after February 15 so always be ready to cover your flowering kale if you have a surprise late frost.

USDA Zone Info for Hollister

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Hollister

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