The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when to plant salsify is to refer to the USDA zone info for Tarentum.

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 a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant salsify in Tarentum 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. If you wait any later than that and your salsify may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your salsify indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Tarentum. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Tarentum may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Tarentum it frosts late in the year after April 15 be ready to cover your salsify if you have a surprise late frost.

USDA Zone Info for Tarentum

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 Tarentum

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