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

You should be able to figure out when you can plant gazania by reviewing the USDA zone info for Watertown.

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.

Gazania are one of those plants that can tolerate a tiny bit of cold weather which means that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant gazania in Watertown 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 really do well. You can get started a few weeks earlier by starting your gazania indoors.

Last Frost Date

In Watertown 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.

Since the USDA zone info for Watertown is not always accurate the actual date of last frost will vary from year to year. Half of the time in Watertown there is a last frost after May 15 so make sure that you are prepared to protect your gazania if you have a late frost.

USDA Zone Info for Watertown

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 Watertown

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