When to Plant Oregano in Grandview, WA

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

By referring to the USDA zone info for Grandview you should be able to determine when you can plant oregano.

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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 one of those plants that can tolerate a little bit of cold weather.

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 Grandview 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 really do well. If you are starting your oregano indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Grandview. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Grandview is not always accurate the actual date of last frost is different every year. Since half of the time in Grandview you get surprised by a frost after April 15 be ready to cover your oregano if you have one of those late frosts.

USDA Zone Info for Grandview

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in Grandview

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