One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 alternaria in Breckenridge should be figured out by looking at the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant alternaria until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant alternaria in Breckenridge 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 alternaria and expect a good harvest is probably August. If you wait any later than that and your alternaria may not have a chance to grow to maturity. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost is on March 15 in Breckenridge. You should expect an average low temperature of 10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Breckenridge is just an average and the actual date of last frost will vary from year to year. Half of the time in Breckenridge you get surprised by a frost after March 15 so make sure that you are prepared to protect your alternaria if you have a surprise late frost.

USDA Zone Info for Breckenridge

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Breckenridge

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