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

You can determine when to plant salsify in Keene 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.

You can plant salsify slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant salsify in Keene 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 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 March 15 in Keene. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Keene is just an average and the actual date of last frost will vary from year to year. Since half of the time in Keene you get surprised by a frost after March 15 be ready to cover your salsify in the event of a surprise late frost.

USDA Zone Info for Keene

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Keene

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