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.

You can determine when it's a good idea to plant oregano in Madison by using 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.

You can plant oregano a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant oregano in Madison 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. If you wait any later than that and your oregano may not have a chance to fully mature. You can get started a little bit earlier by starting your oregano indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Madison. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Madison may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Madison you get surprised by a frost after March 15 so make sure that you are prepared to protect your oregano if you have a late frost.

USDA Zone Info for Madison

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Madison

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