One of the best tools that you have as gardeners to help us estimate 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.

It's possible to estimate when you can plant tree onions by using the USDA zone info for Franklin Lakes.

Planting Calendar for Tree onions

Frost tolerance for tree onions:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since tree onions do ok in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant tree onions in Franklin Lakes is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant tree onions and expect a good harvest is probably August. If you wait any later than that and your tree onions may not have a chance to grow to maturity. If you are starting your tree onions indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Franklin Lakes. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Franklin Lakes is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Franklin Lakes there is a last frost after April 15 be ready to cover your tree onions in the event of a surprise late frost.

USDA Zone Info for Franklin Lakes

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 Low	0°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 Franklin Lakes

You may be interested in your other planting guides for Franklin Lakes.