When can I plant Poppies in Zone 5b

Before planting it is a good idea to find our USDA Zone info to figure out 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.

The USDA zone info for Zone 5b can be reviewed to figure out when it's a good idea to plant poppies.


Planting Calendar for Poppies

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

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

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

The earliest that you can plant poppies in Zone 5b is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant poppies and expect a good harvest is probably September. You probably don't want to wait any later than that or else your poppies may not have a chance to fully mature. You can get started a little bit earlier by starting your poppies indoors.

Last Frost Date

The average date of last frost is April 15 in Zone 5b. In the coldest months of winter we should expect an average low temperature of -15°F.

Just be sure to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 5b and it will vary from year to year. Since half of the time in Zone 5b it frosts late in the year after April 15 be ready to cover your poppies in the event of a surprise late frost.

USDA Zone Info for Zone 5b

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Zone 5b

You may be interested in our other planting guides for Zone 5b.