One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant lupine in Oakley by checking out 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.

Since lupine are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lupine in Oakley 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. Any later than that and your lupine may not have a chance to really do well. You can get started a little bit earlier by starting your lupine indoors.

Last Frost Date

In Oakley the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Oakley is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Oakley you get surprised by a frost after February 15 be ready to protect your lupine if you have a late frost.

USDA Zone Info for Oakley

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Oakley

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