Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rockville Centre you can figure out when it's the best time to plant broccoli by referring to the USDA zone info.

Planting Calendar for Broccoli

Frost tolerance for broccoli:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Broccoli tend to make it in moderate cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant broccoli in Rockville Centre 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 broccoli and expect a good harvest is probably September. Any later than that and your broccoli may not have a chance to really do well. Starting your broccoli indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Rockville Centre the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Rockville Centre is an average the actual date of last frost is different every year. Since half of the time in Rockville Centre you get surprised by a frost after April 15 be ready to protect your broccoli if you have one of those late frosts.

USDA Zone Info for Rockville Centre

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 Rockville Centre

You may be interested in your other planting guides for Rockville Centre.