Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Henderson you can estimate when it's possible to plant salvia by checking out the USDA zone info.

Planting Calendar for Salvia

Frost tolerance for salvia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant salvia just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant salvia in Henderson 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 salvia and expect a good harvest is probably August. Any later than that and your salvia may not have a chance to really do well. Starting your salvia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Henderson. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Henderson is an average the actual date of last frost will vary from year to year. Since half of the time in Henderson it frosts late in the year after April 15 be ready to protect your salvia in the event of a late frost.

USDA Zone Info for Henderson

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Henderson

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