The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Tremonton can be looked at to determine when to plant lupine.

Planting Calendar for Lupine

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

Lupine are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant lupine in Tremonton 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 really do well. 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 Tremonton. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Tremonton is an average the actual date of last frost changes from year to year. Half of the time in Tremonton you get a frost 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 Tremonton

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 Tremonton

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