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 Owasso you can determine when it's a good idea to plant salvia by referring to 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 are barely cold tolerant which means that you can get them planted just a bit earlier than other plants that might not handle the cold.

The earliest that you can plant salvia in Owasso 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 fully mature. If you are starting your salvia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Owasso may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Owasso you get a frost after April 15 so just be sure to be ready to protect your salvia in the event of one of those late frosts.

USDA Zone Info for Owasso

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 Owasso

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