One of the best tools that you have as gardeners to help us estimate 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.

By looking at the USDA zone info for Springboro it's possible to determine when it's a good idea to plant california poppy.

Planting Calendar for California Poppy

Frost tolerance for california poppy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

California Poppy can survive in mild cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant california poppy in Springboro is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant california poppy and expect a good harvest is probably August. Any later than that and your california poppy may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your california poppy indoors.

Last Frost Date

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

Since the USDA zone info for Springboro is not always accurate the actual date of last frost is different every year. Since half of the time in Springboro you get surprised by a frost after April 15 be ready to protect your california poppy in the event of one of those late frosts.

USDA Zone Info for Springboro

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 Springboro

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