One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Marysville you will be able to estimate when it's possible to plant sweet corn.

Planting Calendar for Sweet corn

Frost tolerance for sweet corn:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant sweet corn just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant sweet corn in Marysville 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 sweet corn and expect a good harvest is probably September. If you wait any later than that and your sweet corn may not have a chance to grow to maturity. If you are starting your sweet corn 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 February 15 in Marysville. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Marysville may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Marysville it frosts late in the year after February 15 be ready to cover your sweet corn if you have a late frost.

USDA Zone Info for Marysville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Marysville

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