One of the best tools that you have as gardeners to help us determine 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 gypsophila in Willmar can be determined by reviewing the USDA zone info.

Planting Calendar for Gypsophila

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

Since gypsophila are moderately cold tolerant 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 gypsophila in Willmar 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 gypsophila and expect a good harvest is probably August. If you wait any later than that and your gypsophila may not have a chance to really do well. Starting your gypsophila indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Willmar the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Willmar may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Willmar it frosts late in the year after May 15 be ready to cover your gypsophila in the event of one of those late frosts.

USDA Zone Info for Willmar

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 Willmar

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