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

You can estimate when it's a good idea to plant oriental poppies in Howell by referring to 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 do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant oriental poppies in Howell 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 fully mature. You can get started a couple of weeks earlier by starting your oriental poppies indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Howell. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Howell is an average and the actual date of last frost is different every year. Since half of the time in Howell last frost occurs after April 15 be ready to cover your oriental poppies in the event of a surprise late frost.

USDA Zone Info for Howell

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 Howell

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