The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when to plant chard is to examine the USDA zone info for Oshkosh.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Chard do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant chard in Oshkosh 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 chard and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chard may not have a chance to fully mature. You can get started a few weeks earlier by starting your chard indoors.

Last Frost Date

The average date of last frost is April 15 in Oshkosh. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Oshkosh is just an average and the actual date of last frost is different every year. Since half of the time in Oshkosh you get a frost after April 15 be ready to protect your chard in the event of a late frost.

USDA Zone Info for Oshkosh

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Oshkosh

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