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.

A way of getting a good idea when it's the best time to plant aubrieta is to look at the USDA zone info for Hastings.

Planting Calendar for Aubrieta

Frost tolerance for aubrieta:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Aubrieta are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant aubrieta in Hastings 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 aubrieta and expect a good harvest is probably August. You probably don't want to wait any later than that or else your aubrieta may not have a chance to fully mature. Starting your aubrieta indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Hastings the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Hastings is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hastings there is a last frost after May 15 so make sure that you are ready to cover your aubrieta in the event of a surprise late frost.

USDA Zone Info for Hastings

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 Hastings

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