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 getting a good idea when it's the best time to plant salsify is to look at the USDA zone info for Richmond Hill.

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.

Since salsify are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant salsify in Richmond Hill 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. Any later than that and your salsify may not have a chance to fully mature. You can get started a few weeks earlier by starting your salsify indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Richmond Hill. In the coldest months of winter you should expect an average low temperature of 15°F.

Remember that USDA zone info for Richmond Hill is an average and the actual date of last frost is different every year. Half of the time in Richmond Hill you get a frost after March 15 so always be ready to protect your salsify in the event of one of those late frosts.

USDA Zone Info for Richmond Hill

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Richmond Hill

You may be interested in your other planting guides for Richmond Hill.