Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant roses in Alliance should be estimated 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.

You can plant roses a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant roses in Alliance is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

In Alliance the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Alliance may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Alliance last frost occurs after April 15 be ready to cover your roses if you have one of those late frosts.

USDA Zone Info for Alliance

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Alliance

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