One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant oriental poppies in Stillwater should be figured out by checking out the USDA zone info.

Planting Calendar for Oriental poppies

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

Oriental poppies are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant oriental poppies in Stillwater 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 oriental poppies and expect a good harvest is probably September. If you wait any later than that and your oriental poppies may not have a chance to fully mature. You can get started a few weeks earlier by starting your oriental poppies indoors.

Last Frost Date

The average date of last frost is April 15 in Stillwater. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Stillwater is not always accurate the actual date of last frost is different every year. Since half of the time in Stillwater you get surprised by a frost after April 15 be ready to protect your oriental poppies in the event of a surprise late frost.

USDA Zone Info for Stillwater

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Stillwater

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