One of the first steps you take when you are figuring out 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.

The best time to plant chard in Oswego should be estimated by referring to the USDA zone info.

Planting Calendar for Chard

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

Chard are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant chard in Oswego 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 little bit earlier by starting your chard indoors.

Last Frost Date

On average the last frost is on April 15 in Oswego. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Oswego and it is different every year. Since half of the time in Oswego last frost occurs after April 15 be ready to cover your chard in the event of a late frost.

USDA Zone Info for Oswego

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 Oswego

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