When to Plant Amaranthus in Manheim, PA

Before planting it is a good idea to find your USDA Zone info to estimate 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 estimate when to plant amaranthus in Manheim by referring to the USDA zone info.


Planting Calendar for Amaranthus

Frost tolerance for amaranthus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Amaranthus do not do well in cold weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant amaranthus in Manheim is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant amaranthus and expect a good harvest is probably August. Any later than that and your amaranthus may not have a chance to grow to maturity. If you are starting your amaranthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Manheim the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Manheim may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Manheim you get surprised by a frost after April 15 so just be sure to be ready to cover your amaranthus in the event of a late frost.

USDA Zone Info for Manheim

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 Manheim

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