One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

In Altoona you can figure out when you can plant aurinia by using the USDA zone info.

Planting Calendar for Aurinia

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

You can plant aurinia a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant aurinia in Altoona 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. Any later than that and your aurinia may not have a chance to fully mature. You can get started a little bit earlier by starting your aurinia indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Altoona. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Altoona is not always accurate the actual date of last frost is different every year. Half of the time in Altoona you get surprised by a frost after May 15 so make sure that you are prepared to protect your aurinia if you have a late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Altoona

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