Before planting it is a good idea to find your USDA Zone info to estimate 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.

The earliest that you can plant maltese cross in Milwaukee should be determined by checking out the USDA zone info.

Planting Calendar for Maltese Cross

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

Maltese Cross do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant maltese cross in Milwaukee 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 maltese cross and expect a good harvest is probably September. If you wait 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 little bit earlier.

Last Frost Date

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

Since the USDA zone info for Milwaukee is an average the actual date of last frost will vary from year to year. Since half of the time in Milwaukee there is a last frost after April 15 be ready to protect your maltese cross if you have one of those late frosts.

USDA Zone Info for Milwaukee

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 Milwaukee

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