One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Soldotna should be reffered to in order to estimate when 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 are very cold tolerant which tells us that you can get them planted much earlier than other frost tender plants.

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

Last Frost Date

In Soldotna the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

Remember that USDA zone info for Soldotna is not always accurate and the actual date of last frost changes from year to year. Half of the time in Soldotna you get surprised by a frost after May 15 so be sure to be ready to cover your aurinia if you have a surprise late frost.

USDA Zone Info for Soldotna

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 Soldotna

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