One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant maltese cross in Williston can be figured out 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.

Since maltese cross are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant maltese cross in Williston 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 fully mature. Starting your maltese cross indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Williston. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Williston is just an average the actual date of last frost will vary from year to year. Since half of the time in Williston you get a frost after May 15 be ready to protect your maltese cross if you have a surprise late frost.

USDA Zone Info for Williston

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 Williston

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