When to Plant Poppies in Buffalo, WY

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when to plant poppies is to use the USDA zone info for Buffalo.


Planting Calendar for Poppies

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

Poppies can survive in moderate cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the 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 Buffalo 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 poppies and expect a good harvest is probably August. Any later than that and your poppies may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your poppies indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Buffalo is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Buffalo you get surprised by a frost after May 15 so make sure that you are ready to cover your poppies in the event of a late frost.

USDA Zone Info for Buffalo

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 Buffalo

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