One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rosenberg you can figure out when it's the best time to plant bachelor buttons by referring to the USDA zone info.

Planting Calendar for Bachelor Buttons

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

Since bachelor buttons are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant bachelor buttons 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 bachelor buttons and expect a good harvest is probably October. You probably don't want to wait any later than that or else your bachelor buttons may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your bachelor buttons indoors.

Last Frost Date

The average date of last frost is February 15 in Rosenberg. You should expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that USDA zone info for Rosenberg is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rosenberg last frost occurs after February 15 be ready to protect your bachelor buttons in the event of one of those late frosts.

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.