The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant baby blue eyes in Aspen should be figured out by checking out the USDA zone info.

Planting Calendar for Baby Blue Eyes

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

Since baby blue eyes 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 baby blue eyes in Aspen 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 baby blue eyes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your baby blue eyes may not have a chance to grow to maturity. If you are starting your baby blue eyes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Aspen. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Aspen is just an average the actual date of last frost will vary from year to year. Half of the time in Aspen last frost occurs after April 15 so make sure that you are ready to cover your baby blue eyes if you have a late frost.

USDA Zone Info for Aspen

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Aspen

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