Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 it's possible to plant cilantro is to examine the USDA zone info for Byron.

Planting Calendar for Cilantro

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

Since cilantro are barely cold tolerant you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

The last month that you can plant cilantro and expect a good harvest is probably August. Any later than that and your cilantro may not have a chance to fully mature. If you are starting your cilantro indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Byron. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Byron is just an average and the actual date of last frost is different every year. Half of the time in Byron you get a frost after May 15 so make sure that you are ready to cover your cilantro in the event of one of those late frosts.

USDA Zone Info for Byron

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Byron

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