One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

In Antioch you can estimate when it's a good idea to plant lupine by looking at 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.

You can plant lupine a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lupine in Antioch 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 grow to maturity. You can get started a couple of weeks earlier by starting your lupine indoors.

Last Frost Date

The average date of last frost is April 15 in Antioch. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Antioch is just an average the actual date of last frost is different every year. Since half of the time in Antioch it frosts late in the year after April 15 be ready to cover your lupine if you have one of those late frosts.

USDA Zone Info for Antioch

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 Antioch

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