When can I plant Alternaria in Zone 6a

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first chance to plant alternaria in Zone 6a can be figured out by reviewing the USDA zone info.


Planting Calendar for Alternaria

Frost tolerance for alternaria: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

Alternaria do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant alternaria
Possibly ok, but a risky time to plant alternaria
Probably not a good time to plant alternaria

The earliest that you can plant alternaria in Zone 6a 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 fully mature. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost is on April 15 in Zone 6a. In the coldest months of winter we should expect an average low temperature of -10°F.

Just be sure to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 6a and it is different every year. Half of the time in Zone 6a we get a frost after April 15 so make sure that you are ready to cover your alternaria in the event of a late frost.

USDA Zone Info for Zone 6a

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°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 -5°F.

Plants to Grow in Zone 6a

You may be interested in our other planting guides for Zone 6a.