One of the first steps you take when you are figuring out your gardening schedule is find your 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.

It's possible to determine when you can plant salvia by using the USDA zone info for Darby.

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 do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant salvia in Darby 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. You probably don't want to wait any later than that or else your salvia may not have a chance to really do well. You can get started a few weeks earlier by starting your salvia indoors.

Last Frost Date

The average date of last frost is April 15 in Darby. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Darby may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Darby last frost occurs after April 15 so always be ready to protect your salvia if you have a surprise late frost.

USDA Zone Info for Darby

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Darby

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