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.

The earliest that you can plant axilflower in Aspen should be determined by looking at the USDA zone info.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant axilflower until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant axilflower in Aspen is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant axilflower and expect a good harvest is probably August. If you wait any later than that and your axilflower may not have a chance to really do well. You can get started a few weeks earlier by starting your axilflower indoors.

Last Frost Date

On average the last 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 is different every year. Half of the time in Aspen you get surprised by a frost after April 15 so be sure to be ready to cover your axilflower in the event of 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.