Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when you can plant bellis is to examine the USDA zone info for Crookston.

Planting Calendar for Bellis

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

Since bellis do well in moderate cold you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bellis 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 bellis and expect a good harvest is probably August. If you wait any later than that and your bellis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bellis indoors.

Last Frost Date

On average the last frost is on May 15 in Crookston. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Crookston is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Crookston there is a last frost after May 15 so be sure to be ready to protect your bellis if you have one of those late frosts.

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.