One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's a good idea to plant salsify is to check out the USDA zone info for Hempstead.

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 tend to make it in a tiny bit of cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant salsify in Hempstead 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. You probably don't want to wait any later than that or else your salsify may not have a chance to really do well. Starting your salsify indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Hempstead. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Hempstead may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Hempstead you get surprised by a frost after February 15 so be sure to be ready to cover your salsify in the event of a late frost.

USDA Zone Info for Hempstead

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 Hempstead

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