When can I plant Myosotis in Zone 3a

One of the best tools that we have as gardeners to help us determine our 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 our area.

You can figure out when it's possible to plant myosotis in Zone 3a by reviewing the USDA zone info.


Planting Calendar for Myosotis

Frost tolerance for myosotis: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant myosotis a little earlier in the year because they do well in moderate cold.

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

The earliest that you can plant myosotis in Zone 3a 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 myosotis and expect a good harvest is probably August. If you wait any later than that and your myosotis may not have a chance to really do well. If you are starting your myosotis 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 when the weather gets warmer is on May 15 in Zone 3a. It might get as low as -40°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 3a is an average and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 3a there is a last frost after May 15 so make sure that you are ready to cover your myosotis if we have one of those late frosts.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.