When to Plant Pentas in Port Jefferson, NY

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's a good idea to plant pentas is to refer to the USDA zone info for Port Jefferson.


Planting Calendar for Pentas

Frost tolerance for pentas: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You should not plant pentas until after the last frost because they do not do well in cold weather.

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

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

Last Frost Date

In Port Jefferson the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Port Jefferson may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Port Jefferson you get surprised by a frost after April 15 be ready to cover your pentas if you have a surprise late frost.

USDA Zone Info for Port Jefferson

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in Port Jefferson

You may be interested in your other planting guides for Port Jefferson.