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.

The USDA zone info for Fond Du Lac can be reffered to in order to determine when it's possible to plant aubretia.

Planting Calendar for Aubretia

Frost tolerance for aubretia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aubretia can survive in pretty solid cold which tells us that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant aubretia in Fond Du Lac is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

The average date of last frost is April 15 in Fond Du Lac. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Fond Du Lac may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Fond Du Lac last frost occurs after April 15 so always be ready to cover your aubretia if you have a late frost.

USDA Zone Info for Fond Du Lac

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Fond Du Lac

You may be interested in your other planting guides for Fond Du Lac.