When to Plant Calliopsis in New Brunswick, NJ

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

You can estimate when to plant calliopsis in New Brunswick by checking out the USDA zone info.


Planting Calendar for Calliopsis

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

You can not plant calliopsis until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant calliopsis 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 calliopsis and expect a good harvest is probably August. Any later than that and your calliopsis may not have a chance to really do well. Starting your calliopsis indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in New Brunswick. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for New Brunswick is not always accurate the actual date of last frost will vary from year to year. Half of the time in New Brunswick you get a frost after April 15 so always be ready to cover your calliopsis in the event of 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 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 New Brunswick

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