One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant bachelor buttons is to refer to the USDA zone info for Barstow.

Planting Calendar for Bachelor Buttons

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

Bachelor Buttons can survive in a little bit of cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bachelor buttons in Barstow 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. If you wait any later than that and your bachelor buttons may not have a chance to grow to maturity. Starting your bachelor buttons indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Barstow. In the coldest months of winter you should expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Barstow is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Barstow last frost occurs after February 15 so make sure that you are prepared to protect your bachelor buttons if you have a late frost.

USDA Zone Info for Barstow

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 Barstow

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