When to Plant Alternanthera in Sellersville, PA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. 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 Sellersville can be used to figure out when you can plant alternanthera.


Planting Calendar for Alternanthera

Frost tolerance for alternanthera: Not tolerant of frost.
When to plant: After the last frost has passed.

It's probably a bad idea to plant alternanthera until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant alternanthera in Sellersville 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 alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to grow to maturity. Starting your alternanthera indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Sellersville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Sellersville is not always accurate the actual date of last frost is different every year. Half of the time in Sellersville there is a last frost after April 15 so make sure that you are ready to protect your alternanthera in the event of a surprise late frost.

USDA Zone Info for Sellersville

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 Sellersville

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