The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant nolana in Riverdale by referring to the USDA zone info.

Planting Calendar for Nolana

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

It's probably not a good idea to plant nolana until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant nolana in Riverdale 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 fully mature. You can get started a couple of weeks earlier by starting your nolana indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Riverdale. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Riverdale is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Riverdale you get surprised by a frost after April 15 so just be sure to be ready to protect your nolana if you have a surprise late frost.

USDA Zone Info for Riverdale

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Riverdale

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