When to Plant Oregano in Grandville, MI

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when it's the best time to plant oregano by using the USDA zone info for Grandville.


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 little earlier in the year because they do well in moderate 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 Grandville 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 fully mature. You can get started a little bit earlier by starting your oregano indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Grandville. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Grandville is just an average the actual date of last frost changes from year to year. Half of the time in Grandville there is a last frost after April 15 so make sure that you are prepared to protect your oregano if you have a surprise late frost.

USDA Zone Info for Grandville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Grandville

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