One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Olney you can estimate when it's the best time to plant oriental poppies 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.

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

The earliest that you can plant oriental poppies in Olney 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. You probably don't want to wait any later than that or else your oriental poppies may not have a chance to really do well. If you are starting your oriental poppies indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Olney. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Olney is an average the actual date of last frost changes from year to year. Half of the time in Olney there is a last frost after April 15 so make sure that you are ready to protect your oriental poppies if you have one of those late frosts.

USDA Zone Info for Olney

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Olney

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