The USDA Zone info is a great tool for gardeners to help us determine 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 first chance to plant nolana in Rifle should be determined by checking out the USDA zone info.

Planting Calendar for Nolana

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

Nolana do not do well in cold weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant nolana in Rifle 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 really do well. You can get started a couple of weeks earlier by starting your nolana indoors.

Last Frost Date

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

Since the USDA zone info for Rifle may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Rifle it frosts late in the year after April 15 be ready to cover your nolana in the event of a late frost.

USDA Zone Info for Rifle

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 Rifle

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