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.

By using the USDA zone info for Birdsboro you should be able to estimate when you can plant lupine.

Planting Calendar for Lupine

Frost tolerance for lupine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant lupine a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant lupine in Birdsboro 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 lupine and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lupine may not have a chance to grow to maturity. Starting your lupine indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Birdsboro. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Birdsboro may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Birdsboro there is a last frost after April 15 so be sure to be ready to protect your lupine if you have one of those late frosts.

USDA Zone Info for Birdsboro

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Birdsboro

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