The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant savoy cabbage in Rosenberg can be figured out by looking at the USDA zone info.

Planting Calendar for Savoy cabbage

Frost tolerance for savoy cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since savoy cabbage are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant savoy cabbage in Rosenberg 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 savoy cabbage and expect a good harvest is probably October. Any later than that and your savoy cabbage may not have a chance to really do well. If you are starting your savoy cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Rosenberg. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Rosenberg is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Rosenberg you get a frost after February 15 be ready to protect your savoy cabbage if you have a late frost.

USDA Zone Info for Rosenberg

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Rosenberg

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