When to Plant Roses in Allendale, NJ

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.

You can figure out when to plant roses in Allendale by looking at 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 a bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant roses
Possibly ok, but a risky time to plant roses
Probably not a good time to plant roses

The earliest that you can plant roses in Allendale 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. If you are starting your roses indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Allendale. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Allendale is just an average and the actual date of last frost changes from year to year. Half of the time in Allendale you get a frost after April 15 so make sure that you are prepared to protect your roses if you have one of those late frosts.

USDA Zone Info for Allendale

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Allendale

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