When to Plant Fennel in Keansburg, NJ

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Keansburg it's a good idea to determine when it's possible to plant fennel.


Planting Calendar for Fennel

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

You can plant fennel quite a bit earlier in the year because they do well in cold.

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

The earliest that you can plant fennel in Keansburg 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 fennel and expect a good harvest is probably September. Any later than that and your fennel may not have a chance to fully mature. You can get started a little bit earlier by starting your fennel indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Keansburg. In the coldest months of winter you can expect an average low temperature of 5°F.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Keansburg and it will vary from year to year. Since half of the time in Keansburg you get surprised by a frost after April 15 be ready to cover your fennel if you have a surprise late frost.

USDA Zone Info for Keansburg

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Keansburg

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