One of the first steps you take when you are estimating 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.

The first opportunity to plant tree onions in Valley Stream should be figured out by referring to the USDA zone info.

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 slightly earlier in the year than more sensitive plants.

The earliest that you can plant tree onions in Valley Stream 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. Any later than that and your tree onions may not have a chance to fully mature. If you are starting your tree onions indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Valley Stream may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Valley Stream there is a last frost after April 15 be ready to protect your tree onions in the event of one of those late frosts.

USDA Zone Info for Valley Stream

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 Low	5°F
Highest Expected Low	10°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 Valley Stream

You may be interested in your other planting guides for Valley Stream.