The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant ornamental grasses is to refer to the USDA zone info for New Brunswick.

Planting Calendar for Ornamental Grasses

Frost tolerance for ornamental grasses:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Ornamental Grasses do well in very little cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant ornamental grasses in New Brunswick is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant ornamental grasses and expect a good harvest is probably August. You probably don't want to wait any later than that or else your ornamental grasses may not have a chance to fully mature. Starting your ornamental grasses indoors is a great way to get them started a little bit earlier.

Last Frost Date

In New Brunswick the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for New Brunswick may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in New Brunswick you get surprised by a frost after April 15 so always be ready to cover your ornamental grasses if you have one of those late frosts.

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.