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 first opportunity to plant roses in Elk River should be determined by using the USDA zone info.

Planting Calendar for Roses

Frost tolerance for roses:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since roses do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant roses in Elk River 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 roses and expect a good harvest is probably August. If you wait any later than that and your roses may not have a chance to really do well. Starting your roses indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Elk River the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Elk River is an average and the actual date of last frost is different every year. Half of the time in Elk River it frosts late in the year after May 15 so just be sure to be ready to cover your roses if you have a surprise late frost.

USDA Zone Info for Elk River

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Elk River

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