One of the first steps you take when you are getting a good idea 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 reviewing the USDA zone info for Bartlesville it's possible 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 to plant:	Up to 5 weeks before last frost.

You can plant poppies a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant poppies in Bartlesville 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 really do well. You can get started a few weeks earlier by starting your poppies indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bartlesville. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Bartlesville is just an average the actual date of last frost will vary from year to year. Half of the time in Bartlesville there is a last frost after April 15 so be sure to be ready to protect your poppies if you have one of those late frosts.

USDA Zone Info for Bartlesville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Bartlesville

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