Before planting it is a good idea to find your USDA Zone info to determine 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 a good idea to plant lupine is to use the USDA zone info for Lake Havasu City.

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

The earliest that you can plant lupine in Lake Havasu City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant lupine and expect a good harvest is probably October. 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

In Lake Havasu City the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in 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 Lake Havasu City and it changes from year to year. Half of the time in Lake Havasu City there is a last frost after January 31 so always be ready to protect your lupine if you have a surprise late frost.

USDA Zone Info for Lake Havasu City

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Lake Havasu City

You may be interested in your other planting guides for Lake Havasu City.