One of the first steps you take when you are estimating 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.

A way of determining when it's a good idea to plant aubretia is to use the USDA zone info for Mitchell.

Planting Calendar for Aubretia

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

You can plant aubretia quite a bit earlier in the year because they do well in cold.

The earliest that you can plant aubretia in Mitchell 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 aubretia and expect a good harvest is probably August. Any later than that and your aubretia may not have a chance to really do well. Starting your aubretia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Mitchell. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Mitchell is just an average and the actual date of last frost is different every year. Since half of the time in Mitchell last frost occurs after May 15 be ready to protect your aubretia if you have one of those late frosts.

USDA Zone Info for Mitchell

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 Mitchell

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