One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

One way of determining when to plant chard is to use the USDA zone info for Isanti.

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 some cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant chard in Isanti is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chard and expect a good harvest is probably August. If you wait any later than that and your chard may not have a chance to grow to maturity. If you are starting your chard indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Isanti. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Isanti and it will vary from year to year. Half of the time in Isanti you get surprised by a frost after May 15 so be sure to be ready to protect your chard in the event of one of those late frosts.

USDA Zone Info for Isanti

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

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

Plants to Grow in Isanti

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