Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hopkins you can figure out when it's a good idea to plant aubrieta by using the USDA zone info.

Planting Calendar for Aubrieta

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

Since aubrieta are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant aubrieta in Hopkins 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. If you wait any later than that and your aubrieta may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your aubrieta indoors.

Last Frost Date

The average date of last frost is May 15 in Hopkins. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Hopkins may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Hopkins there is a last frost after May 15 be ready to protect your aubrieta if you have a surprise late frost.

USDA Zone Info for Hopkins

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 Hopkins

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