One of the first steps you take when you are getting a good idea 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.

You can estimate when it's the best time to plant scabiosa in Diamond Bar by reviewing the USDA zone info.

Planting Calendar for Scabiosa

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

Since scabiosa do well in moderate cold you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scabiosa in Diamond Bar 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 scabiosa and expect a good harvest is probably October. You probably don't want to wait any later than that or else your scabiosa may not have a chance to fully mature. Starting your scabiosa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Diamond Bar the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Diamond Bar and it can change quite a bit from year to year. Since half of the time in Diamond Bar you get a frost after January 31 be ready to protect your scabiosa in the event of a surprise late frost.

USDA Zone Info for Diamond Bar

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Diamond Bar

You may be interested in your other planting guides for Diamond Bar.