The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In River Grove you can figure out when you can plant sagina by using the USDA zone info.

Planting Calendar for Sagina

Frost tolerance for sagina:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sagina are one of those plants that can tolerate a tiny bit of cold weather which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant sagina in River Grove is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sagina and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sagina may not have a chance to really do well. You can get started a few weeks earlier by starting your sagina indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in River Grove. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for River Grove may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in River Grove there is a last frost after April 15 be ready to protect your sagina in the event of one of those late frosts.

USDA Zone Info for River Grove

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 River Grove

You may be interested in your other planting guides for River Grove.