The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Madisonville you can determine when it's the best time to plant oregano by referring to the USDA zone info.

Planting Calendar for Oregano

Frost tolerance for oregano:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Oregano are moderately cold tolerant which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant oregano in Madisonville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant oregano and expect a good harvest is probably September. You probably don't want to wait any later than that or else your oregano may not have a chance to grow to maturity. Starting your oregano indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Madisonville. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Madisonville is an average the actual date of last frost changes from year to year. Since half of the time in Madisonville you get a frost after March 15 be ready to protect your oregano if you have a surprise late frost.

USDA Zone Info for Madisonville

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 Madisonville

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