One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant gazania in Silvis can be figured out by reviewing the USDA zone info.

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 barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant gazania in Silvis 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 gazania and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gazania may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gazania indoors.

Last Frost Date

The average date of last frost is April 15 in Silvis. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Silvis is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Silvis there is a last frost after April 15 so just be sure to be ready to protect your gazania in the event of a surprise late frost.

USDA Zone Info for Silvis

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Silvis

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