The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's possible to plant gypsophila by referring to the USDA zone info for Ironwood.

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 bit earlier in the year than more sensitive plants.

The earliest that you can plant gypsophila in Ironwood 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. You probably don't want to wait any later than that or else your gypsophila may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your gypsophila indoors.

Last Frost Date

In Ironwood the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Ironwood is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Ironwood last frost occurs after May 15 be ready to cover your gypsophila in the event of a late frost.

USDA Zone Info for Ironwood

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 Ironwood

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