When can I plant Mecardonia in Zone 1b

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A common way of estimating when it's the best time to plant mecardonia is to look at the USDA zone info for Zone 1b.


Planting Calendar for Mecardonia

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

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

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

The earliest that you can plant mecardonia in Zone 1b is June. However, you really should wait until July if you don't want to take any chances.

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

Last Frost Date

On average all chance of frost has passed is on June 15 in Zone 1b. We should expect an average low temperature of -55°F in the coldest months of winter.

Keep in mind that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 1b and it is different every year. Half of the time in Zone 1b we get a frost after June 15 so be sure to be ready to cover your mecardonia in the event of a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.