One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant salvia in Greencastle can be determined by using 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.

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

The earliest that you can plant salvia in Greencastle 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. If you wait 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Greencastle. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Greencastle is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Greencastle you get surprised by a frost after April 15 be ready to protect your salvia if you have one of those late frosts.

USDA Zone Info for Greencastle

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Greencastle

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