Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant lupine is to use the USDA zone info for Muskogee.

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 little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lupine in Muskogee 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. If you are starting your lupine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Muskogee. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Muskogee is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Muskogee last frost occurs after April 15 so make sure that you are prepared to cover your lupine in the event of one of those late frosts.

USDA Zone Info for Muskogee

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Muskogee

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