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.

By checking out the USDA zone info for Crookston you should be able to determine 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.

Since maltese cross do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant maltese cross in Crookston 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. You probably don't want to wait any later than that or else your maltese cross may not have a chance to grow to maturity. You can get started a little bit earlier by starting your maltese cross indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Crookston. It might get as low as -30°F during the coldest months of winter.

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

USDA Zone Info for Crookston

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 Crookston

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