Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Arcata you will be able to determine when it's the best time to plant roses.

Planting Calendar for Roses

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

Roses do ok in mild cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

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

The last month that you can plant roses and expect a good harvest is probably October. Any later than that and your roses may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your roses indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Arcata. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Arcata may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Arcata there is a last frost after February 15 so just be sure to be ready to cover your roses if you have a late frost.

USDA Zone Info for Arcata

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Arcata

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