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.

A common way of getting a good idea when it's possible to plant sweet williams is to refer to the USDA zone info for Mechanicville.

Planting Calendar for Sweet Williams

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

Since sweet williams are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant sweet williams in Mechanicville 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 sweet williams and expect a good harvest is probably September. You probably don't want to wait any later than that or else your sweet williams may not have a chance to fully mature. You can get started a little bit earlier by starting your sweet williams indoors.

Last Frost Date

The average date of last frost is April 15 in Mechanicville. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Mechanicville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Mechanicville it frosts late in the year after April 15 so be sure to be ready to cover your sweet williams in the event of one of those late frosts.

USDA Zone Info for Mechanicville

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mechanicville

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