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

You can figure out when it's the best time to plant dahlberg daisy in San Bernardino by reviewing the USDA zone info.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant dahlberg daisy until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dahlberg daisy in San Bernardino is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dahlberg daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your dahlberg daisy may not have a chance to grow to maturity. Starting your dahlberg daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In San Bernardino the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for San Bernardino and it can change quite a bit from year to year. Since half of the time in San Bernardino you get surprised by a frost after February 15 be ready to protect your dahlberg daisy if you have a surprise late frost.

USDA Zone Info for San Bernardino

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 Low	25°F
Highest Expected Low	30°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 San Bernardino

You may be interested in your other planting guides for San Bernardino.