One of the best tools that you have as gardeners to help us figure out 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.

It's possible to estimate when it's possible to plant gypsophila by reviewing the USDA zone info for Rhinelander.

Planting Calendar for Gypsophila

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

Gypsophila are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant gypsophila in Rhinelander 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 grow to maturity. If you are starting your gypsophila indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Rhinelander 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 Rhinelander may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Rhinelander last frost occurs after May 15 be ready to protect your gypsophila if you have a surprise late frost.

USDA Zone Info for Rhinelander

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 Rhinelander

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