One of the best tools that you have as gardeners to help us figure out 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.

One way of estimating when you can plant oregano is to refer to the USDA zone info for Reading.

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 just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant oregano in Reading 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. Any later than that and your oregano may not have a chance to grow to maturity. Starting your oregano indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Reading the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Reading may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Reading last frost occurs after April 15 so make sure that you are ready to cover your oregano if you have a late frost.

USDA Zone Info for Reading

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Reading

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