The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant roses is to examine the USDA zone info for Carlsbad.

Planting Calendar for Roses

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

Since roses are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant roses in Carlsbad 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. You probably don't want to wait any later than that or else your roses may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your roses indoors.

Last Frost Date

In Carlsbad the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Carlsbad is just an average the actual date of last frost will vary from year to year. Half of the time in Carlsbad it frosts late in the year after March 15 so just be sure to be ready to cover your roses if you have one of those late frosts.

USDA Zone Info for Carlsbad

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Carlsbad

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