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.

In Glassport you can determine when you can plant lupine by using the USDA zone info.

Planting Calendar for Lupine

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

Lupine do well in moderate cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lupine in Glassport 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. If you wait any later than that and your lupine may not have a chance to really do well. Starting your lupine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Glassport the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Glassport is just an average the actual date of last frost is different every year. Since half of the time in Glassport there is a last frost after April 15 be ready to cover your lupine if you have one of those late frosts.

USDA Zone Info for Glassport

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 Glassport

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