One of the first steps you take when you are determining 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.

The first opportunity to plant scabiosa in Pomona should be estimated by using 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 frost tender plants.

The earliest that you can plant scabiosa in Pomona 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. Any later than that and your scabiosa may not have a chance to really do well. Starting your scabiosa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Pomona the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Pomona may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Pomona you get a frost after January 31 so make sure that you are prepared to protect your scabiosa in the event of a surprise late frost.

USDA Zone Info for Pomona

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 Pomona

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