The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when to plant broccoli by looking at the USDA zone info for Watervliet.

Planting Calendar for Broccoli

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

Broccoli are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant broccoli in Watervliet 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. If you wait any later than that and your broccoli may not have a chance to grow to maturity. If you are starting your broccoli indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Watervliet. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Watervliet is just an average and the actual date of last frost changes from year to year. Half of the time in Watervliet you get surprised by a frost after April 15 so make sure that you are ready to cover your broccoli in the event of one of those late frosts.

USDA Zone Info for Watervliet

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Watervliet

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