When to Plant Oriental poppies in Powell, WY

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.

By looking at the USDA zone info for Powell you will be able to determine when it's possible to plant oriental poppies.


Planting Calendar for Oriental poppies

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

You can plant oriental poppies a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The earliest that you can plant oriental poppies in Powell 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 oriental poppies and expect a good harvest is probably August. If you wait any later than that and your oriental poppies may not have a chance to grow to maturity. Starting your oriental poppies indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Powell. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Powell is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Powell there is a last frost after May 15 so make sure that you are ready to cover your oriental poppies in the event of a late frost.

USDA Zone Info for Powell

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Powell

You may be interested in your other planting guides for Powell.