One of the best tools that you have as gardeners to help us figure out 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 earliest that you can plant iresene in New Brunswick can be determined by looking at the USDA zone info.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After the last frost.

Since iresene do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant iresene in New Brunswick 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. You probably don't want to wait any later than that or else your iresene may not have a chance to fully mature. If you are starting your iresene indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in New Brunswick. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that USDA zone info for New Brunswick is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in New Brunswick you get surprised by a frost after April 15 be ready to protect your iresene in the event of a surprise late frost.

USDA Zone Info for New Brunswick

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 Low	0°F
Highest Expected Low	5°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 New Brunswick

You may be interested in your other planting guides for New Brunswick.