Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant scabiosa in Ukiah 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.

You can plant scabiosa a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant scabiosa in Ukiah 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 fully mature. Starting your scabiosa indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Ukiah the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Ukiah and it will vary from year to year. Half of the time in Ukiah you get a frost after February 15 so make sure that you are prepared to protect your scabiosa if you have a late frost.

USDA Zone Info for Ukiah

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 Ukiah

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