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

The earliest that you can plant salsify in Roseburg should be estimated by looking at the USDA zone info.

Planting Calendar for Salsify

Frost tolerance for salsify:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Salsify do ok in very little cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant salsify in Roseburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant salsify and expect a good harvest is probably September. If you wait any later than that and your salsify may not have a chance to really do well. Starting your salsify indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Roseburg. 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 Roseburg may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Roseburg you get a frost after February 15 be ready to cover your salsify if you have one of those late frosts.

USDA Zone Info for Roseburg

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 Roseburg

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