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.

A common way of estimating when it's possible to plant lupine is to check out the USDA zone info for Fort Wayne.

Planting Calendar for Lupine

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

Lupine can survive in some cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lupine in Fort Wayne 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 couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Fort Wayne. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Fort Wayne is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Fort Wayne it frosts late in the year after April 15 so be sure to be ready to protect your lupine if you have a late frost.

USDA Zone Info for Fort Wayne

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 Fort Wayne

You may be interested in your other planting guides for Fort Wayne.