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 looking at the USDA zone info for Rhinelander it's possible to figure out when it's possible to plant gazania.

Planting Calendar for Gazania

Frost tolerance for gazania:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since gazania are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant gazania in Rhinelander is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant gazania and expect a good harvest is probably August. If you wait any later than that and your gazania may not have a chance to fully mature. Starting your gazania indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Rhinelander. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Rhinelander is an average the actual date of last frost will vary from year to year. Since half of the time in Rhinelander it frosts late in the year after May 15 be ready to protect your gazania in the event of 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.