Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant lupine in Warsaw should be estimated 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 tend to make it in some cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lupine in Warsaw 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 fully mature. You can get started a couple of weeks earlier by starting your lupine indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Warsaw. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Warsaw and it is different every year. Half of the time in Warsaw it frosts late in the year after April 15 so be sure to be ready to cover your lupine if you have a surprise late frost.

USDA Zone Info for Warsaw

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 Warsaw

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