When can I plant Oregano in Zone 1b

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

It's possible to estimate when it's the best time to plant oregano by referring to the USDA zone info for Zone 1b.


Planting Calendar for Oregano

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

Since oregano are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant oregano
Possibly ok, but a risky time to plant oregano
Probably not a good time to plant oregano

The earliest that you can plant oregano in Zone 1b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant oregano and expect a good harvest is probably July. Any later than that and your oregano may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your oregano indoors.

Last Frost Date

In Zone 1b the average date of last frost happens on June 15. We can expect an average low temperature of -55°F in the coldest months of winter.

Since the USDA zone info for Zone 1b is not always accurate our actual date of last frost changes from year to year. Half of the time in Zone 1b there is a last frost after June 15 so just be sure to be ready to protect your oregano in the event of a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.