The USDA Zone info is a great tool for gardeners to help us figure out 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.

By referring to the USDA zone info for Montrose you will be able to estimate when you can plant creeping zinnia.

Planting Calendar for Creeping Zinnia

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

Since creeping zinnia do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant creeping zinnia in Montrose 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 creeping zinnia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your creeping zinnia may not have a chance to fully mature. Starting your creeping zinnia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Montrose. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Montrose is not always accurate the actual date of last frost changes from year to year. Half of the time in Montrose last frost occurs after April 15 so just be sure to be ready to cover your creeping zinnia in the event of a late frost.

USDA Zone Info for Montrose

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Montrose

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