When to Plant Morning Glory in Zone 2b

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zone 2b you can determine when it's the best time to plant morning glory by referring to the USDA zone info.


Planting Calendar for Morning Glory

Frost tolerance for morning glory: Not tolerant of frost.
When to plant: After the last frost has passed.

Since morning glory do not do well in cold weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant morning glory in Zone 2b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant morning glory and expect a good harvest is probably August. You probably don't want to wait any later than that or else your morning glory may not have a chance to really do well. If you are starting your morning glory indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 2b the average date of last frost happens on May 15. It might get as low as -45°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Zone 2b and it can change quite a bit from year to year. Since half of the time in Zone 2b there is a last frost after May 15 be ready to cover your morning glory in the event of a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.