When to Plant Armeria in Northampton, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Northampton should be reffered to in order to figure out when it's the best time to plant armeria.


Planting Calendar for Armeria

Frost tolerance for armeria: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since armeria do well in cold you can plant them much earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant armeria in Northampton 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 armeria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your armeria may not have a chance to grow to maturity. If you are starting your armeria indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Northampton. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Northampton is an average and the actual date of last frost is different every year. Half of the time in Northampton you get a frost after April 15 so always be ready to protect your armeria in the event of one of those late frosts.

USDA Zone Info for Northampton

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 Northampton

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