The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when to plant oriental poppies by referring to the USDA zone info for Concord.

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

The earliest that you can plant oriental poppies in Concord 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. 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 few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Concord. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Concord may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Concord you get surprised by a frost after April 15 so be sure to be ready to protect your oriental poppies in the event of one of those late frosts.

USDA Zone Info for Concord

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 Concord

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