The USDA Zone info is a great tool for gardeners to help us estimate 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 Sioux City can be looked at to determine when it's possible to plant galium.

Planting Calendar for Galium

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

Galium are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant galium in Sioux City 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 galium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your galium may not have a chance to fully mature. If you are starting your galium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Sioux City. In the coldest months of winter you should expect an average low temperature of -20°F.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Sioux City and it changes from year to year. Since half of the time in Sioux City there is a last frost after April 15 be ready to protect your galium if you have one of those late frosts.

USDA Zone Info for Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sioux City

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