The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Collegedale you will be able to estimate when it's a good idea to plant aurinia.

Planting Calendar for Aurinia

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

Aurinia do ok in a bit of cold which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant aurinia in Collegedale 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 aurinia and expect a good harvest is probably September. If you wait any later than that and your aurinia may not have a chance to really do well. You can get started a few weeks earlier by starting your aurinia indoors.

Last Frost Date

In Collegedale the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Collegedale is not always accurate and the actual date of last frost changes from year to year. Half of the time in Collegedale there is a last frost after April 15 so just be sure to be ready to cover your aurinia if you have a late frost.

USDA Zone Info for Collegedale

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Collegedale

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