One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when you can plant aubrieta is to examine the USDA zone info for Ballston Spa.

Planting Calendar for Aubrieta

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

Since aubrieta do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aubrieta in Ballston Spa is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant aubrieta and expect a good harvest is probably September. Any later than that and your aubrieta may not have a chance to grow to maturity. If you are starting your aubrieta indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ballston Spa. In the coldest months of winter you can expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Ballston Spa is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Ballston Spa you get a frost after April 15 so make sure that you are ready to protect your aubrieta in the event of a surprise late frost.

USDA Zone Info for Ballston Spa

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Ballston Spa

You may be interested in your other planting guides for Ballston Spa.