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

You should be able to determine when to plant salsify by using the USDA zone info for Shamokin.

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.

You can plant salsify just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant salsify in Shamokin 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 salsify and expect a good harvest is probably August. You probably don't want to wait any later than that or else your salsify may not have a chance to grow to maturity. If you are starting your salsify indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Shamokin. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Shamokin is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Shamokin you get surprised by a frost after April 15 so just be sure to be ready to protect your salsify in the event of a late frost.

USDA Zone Info for Shamokin

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Shamokin

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