One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when to plant roses is to look at the USDA zone info for Cottage Grove.

Planting Calendar for Roses

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

Roses can survive in mild cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant roses in Cottage Grove 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 grow to maturity. Starting your roses 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 March 15 in Cottage Grove. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Cottage Grove is an average the actual date of last frost is different every year. Half of the time in Cottage Grove you get surprised by a frost after March 15 so make sure that you are ready to protect your roses in the event of one of those late frosts.

USDA Zone Info for Cottage Grove

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Cottage Grove

You may be interested in your other planting guides for Cottage Grove.