The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Byron can be used to estimate when it's a good idea to plant maltese cross.

Planting Calendar for Maltese Cross

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

You can plant maltese cross just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant maltese cross in Byron 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 maltese cross and expect a good harvest is probably August. Any later than that and your maltese cross may not have a chance to really do well. If you are starting your maltese cross indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Byron the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Byron is just an average the actual date of last frost changes from year to year. Since half of the time in Byron it frosts late in the year after May 15 be ready to cover your maltese cross 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.