One of the best tools that you have as gardeners to help us estimate 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.

In Plover you can determine when you can plant maltese cross by using 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.

You can plant maltese cross a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant maltese cross in Plover 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. If you wait any later than that and your maltese cross may not have a chance to really do well. You can get started a few weeks earlier by starting your maltese cross indoors.

Last Frost Date

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

Since the USDA zone info for Plover may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Plover it frosts late in the year after May 15 be ready to cover your maltese cross in the event of a surprise late frost.

USDA Zone Info for Plover

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 Plover

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