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.

The USDA zone info for River Grove should be reviewed to determine when you can plant nolana.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost.

Since nolana do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

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

The last month that you can plant nolana and expect a good harvest is probably August. If you wait any later than that and your nolana may not have a chance to grow to maturity. Starting your nolana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In River Grove the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for River Grove and it is different every year. Half of the time in River Grove you get a frost after April 15 so be sure to be ready to protect your nolana if you have 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.