When can I plant Iresene in Zone 7a

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

You can estimate when it's possible to plant iresene in Zone 7a by referring to the USDA zone info.


Planting Calendar for Iresene

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

It's not a good idea to plant iresene until after the last frost has passed because they are not cold tolerant.

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

The earliest that you can plant iresene in Zone 7a 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 iresene and expect a good harvest is probably August. Any later than that and your iresene may not have a chance to really do well. You can get started a couple of weeks earlier by starting your iresene indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Zone 7a. We can expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 7a and it is different every year. Half of the time in Zone 7a we get a frost after April 15 so make sure that you are prepared to cover your iresene in the event of a late frost.

USDA Zone Info for Zone 7a

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Zone 7a

You may be interested in our other planting guides for Zone 7a.