One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when to plant lupine by looking at the USDA zone info for Union City.

Planting Calendar for Lupine

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

Lupine do ok in some cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant lupine in Union 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. 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

In Union City the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Union City is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Union City it frosts late in the year after January 31 so make sure that you are ready to cover your lupine in the event of one of those late frosts.

USDA Zone Info for Union 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 Union City

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