The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Biddeford you can determine when it's the best time to plant stocks by using the USDA zone info.

Planting Calendar for Stocks

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

You can plant stocks slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant stocks in Biddeford 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 stocks and expect a good harvest is probably August. Any later than that and your stocks may not have a chance to fully mature. If you are starting your stocks indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Biddeford. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Biddeford is not always accurate the actual date of last frost will vary from year to year. Half of the time in Biddeford there is a last frost after April 15 so always be ready to cover your stocks if you have a late frost.

USDA Zone Info for Biddeford

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 Biddeford

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